Home / 1,074,155.62-1,482,332.88-615,418.60

Finding the Fourth Proportional to 1,074,155.62, 1,482,332.88 and 615,418.60

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Solution

The fourth proportional to 1,074,155.62, 1,482,332.88 and 615,418.60 is: 849,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,155.62 : 1,482,332.88 = 615,418.60 : x
  2. Step 2: Convert to fraction form
    1,074,155.62/1,482,332.88 = 615,418.60/x
  3. Step 3: Cross multiply
    1,074,155.62x = 1,482,332.88 × 615,418.60
  4. Step 4: Simplify right side
    1,074,155.62x = 912,255,225,743.57
  5. Step 5: Solve for x
    x = 912,255,225,743.57/1,074,155.62
  6. Step 6: Final answer
    x = 849,276.59

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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.