Home / 1,572,641.16-2,358,963.56-478,434.92

Finding the Fourth Proportional to 1,572,641.16, 2,358,963.56 and 478,434.92

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Solution

The fourth proportional to 1,572,641.16, 2,358,963.56 and 478,434.92 is: 717,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,641.16 : 2,358,963.56 = 478,434.92 : x
  2. Step 2: Convert to fraction form
    1,572,641.16/2,358,963.56 = 478,434.92/x
  3. Step 3: Cross multiply
    1,572,641.16x = 2,358,963.56 × 478,434.92
  4. Step 4: Simplify right side
    1,572,641.16x = 1,128,610,542,111.52
  5. Step 5: Solve for x
    x = 1,128,610,542,111.52/1,572,641.16
  6. Step 6: Final answer
    x = 717,652.93

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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.