Home / 1,098,449.91-1,516,020.02-615,046.21

Finding the Fourth Proportional to 1,098,449.91, 1,516,020.02 and 615,046.21

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Solution

The fourth proportional to 1,098,449.91, 1,516,020.02 and 615,046.21 is: 848,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,449.91 : 1,516,020.02 = 615,046.21 : x
  2. Step 2: Convert to fraction form
    1,098,449.91/1,516,020.02 = 615,046.21/x
  3. Step 3: Cross multiply
    1,098,449.91x = 1,516,020.02 × 615,046.21
  4. Step 4: Simplify right side
    1,098,449.91x = 932,422,363,795.07
  5. Step 5: Solve for x
    x = 932,422,363,795.07/1,098,449.91
  6. Step 6: Final answer
    x = 848,852.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.