Home / 1,042,209.70-1,563,314.55-615,307.30

Finding the Fourth Proportional to 1,042,209.70, 1,563,314.55 and 615,307.30

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Solution

The fourth proportional to 1,042,209.70, 1,563,314.55 and 615,307.30 is: 922,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,209.70 : 1,563,314.55 = 615,307.30 : x
  2. Step 2: Convert to fraction form
    1,042,209.70/1,563,314.55 = 615,307.30/x
  3. Step 3: Cross multiply
    1,042,209.70x = 1,563,314.55 × 615,307.30
  4. Step 4: Simplify right side
    1,042,209.70x = 961,918,854,811.22
  5. Step 5: Solve for x
    x = 961,918,854,811.22/1,042,209.70
  6. Step 6: Final answer
    x = 922,960.95

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Double scale
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Similar ratio
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1.5x scale

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.