Home / 1,145,117.10-1,717,675.65-992,901.90

Finding the Fourth Proportional to 1,145,117.10, 1,717,675.65 and 992,901.90

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Solution

The fourth proportional to 1,145,117.10, 1,717,675.65 and 992,901.90 is: 1,489,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,117.10 : 1,717,675.65 = 992,901.90 : x
  2. Step 2: Convert to fraction form
    1,145,117.10/1,717,675.65 = 992,901.90/x
  3. Step 3: Cross multiply
    1,145,117.10x = 1,717,675.65 × 992,901.90
  4. Step 4: Simplify right side
    1,145,117.10x = 1,705,483,416,468.74
  5. Step 5: Solve for x
    x = 1,705,483,416,468.74/1,145,117.10
  6. Step 6: Final answer
    x = 1,489,352.85

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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.