Home / 1,439,043.86-2,157,842.85-479,160.14

Finding the Fourth Proportional to 1,439,043.86, 2,157,842.85 and 479,160.14

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Solution

The fourth proportional to 1,439,043.86, 2,157,842.85 and 479,160.14 is: 718,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,043.86 : 2,157,842.85 = 479,160.14 : x
  2. Step 2: Convert to fraction form
    1,439,043.86/2,157,842.85 = 479,160.14/x
  3. Step 3: Cross multiply
    1,439,043.86x = 2,157,842.85 × 479,160.14
  4. Step 4: Simplify right side
    1,439,043.86x = 1,033,952,271,314.78
  5. Step 5: Solve for x
    x = 1,033,952,271,314.78/1,439,043.86
  6. Step 6: Final answer
    x = 718,499.49

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Double scale
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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.