Home / 1,516,328.92-2,275,280.56-618,429.40

Finding the Fourth Proportional to 1,516,328.92, 2,275,280.56 and 618,429.40

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Solution

The fourth proportional to 1,516,328.92, 2,275,280.56 and 618,429.40 is: 927,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,328.92 : 2,275,280.56 = 618,429.40 : x
  2. Step 2: Convert to fraction form
    1,516,328.92/2,275,280.56 = 618,429.40/x
  3. Step 3: Cross multiply
    1,516,328.92x = 2,275,280.56 × 618,429.40
  4. Step 4: Simplify right side
    1,516,328.92x = 1,407,100,391,552.46
  5. Step 5: Solve for x
    x = 1,407,100,391,552.46/1,516,328.92
  6. Step 6: Final answer
    x = 927,965.15

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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.