Home / 1,074,142.85-1,482,356.15-615,346.08

Finding the Fourth Proportional to 1,074,142.85, 1,482,356.15 and 615,346.08

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Solution

The fourth proportional to 1,074,142.85, 1,482,356.15 and 615,346.08 is: 849,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,142.85 : 1,482,356.15 = 615,346.08 : x
  2. Step 2: Convert to fraction form
    1,074,142.85/1,482,356.15 = 615,346.08/x
  3. Step 3: Cross multiply
    1,074,142.85x = 1,482,356.15 × 615,346.08
  4. Step 4: Simplify right side
    1,074,142.85x = 912,162,042,989.66
  5. Step 5: Solve for x
    x = 912,162,042,989.66/1,074,142.85
  6. Step 6: Final answer
    x = 849,199.94

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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.