Home / 1,516,331.92-2,275,285.06-618,432.40

Finding the Fourth Proportional to 1,516,331.92, 2,275,285.06 and 618,432.40

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Solution

The fourth proportional to 1,516,331.92, 2,275,285.06 and 618,432.40 is: 927,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,331.92 : 2,275,285.06 = 618,432.40 : x
  2. Step 2: Convert to fraction form
    1,516,331.92/2,275,285.06 = 618,432.40/x
  3. Step 3: Cross multiply
    1,516,331.92x = 2,275,285.06 × 618,432.40
  4. Step 4: Simplify right side
    1,516,331.92x = 1,407,110,000,339.94
  5. Step 5: Solve for x
    x = 1,407,110,000,339.94/1,516,331.92
  6. Step 6: Final answer
    x = 927,969.65

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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.