Home / 1,514,142.90-2,271,214.35-1,243,538.10

Finding the Fourth Proportional to 1,514,142.90, 2,271,214.35 and 1,243,538.10

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Solution

The fourth proportional to 1,514,142.90, 2,271,214.35 and 1,243,538.10 is: 1,865,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,142.90 : 2,271,214.35 = 1,243,538.10 : x
  2. Step 2: Convert to fraction form
    1,514,142.90/2,271,214.35 = 1,243,538.10/x
  3. Step 3: Cross multiply
    1,514,142.90x = 2,271,214.35 × 1,243,538.10
  4. Step 4: Simplify right side
    1,514,142.90x = 2,824,341,577,491.74
  5. Step 5: Solve for x
    x = 2,824,341,577,491.74/1,514,142.90
  6. Step 6: Final answer
    x = 1,865,307.15

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.