Home / 1,074,159.12-1,482,337.71-615,422.10

Finding the Fourth Proportional to 1,074,159.12, 1,482,337.71 and 615,422.10

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Solution

The fourth proportional to 1,074,159.12, 1,482,337.71 and 615,422.10 is: 849,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,159.12 : 1,482,337.71 = 615,422.10 : x
  2. Step 2: Convert to fraction form
    1,074,159.12/1,482,337.71 = 615,422.10/x
  3. Step 3: Cross multiply
    1,074,159.12x = 1,482,337.71 × 615,422.10
  4. Step 4: Simplify right side
    1,074,159.12x = 912,263,386,397.39
  5. Step 5: Solve for x
    x = 912,263,386,397.39/1,074,159.12
  6. Step 6: Final answer
    x = 849,281.42

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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.