Home / 1,007,405.24-1,389,770.06-680,613.17

Finding the Fourth Proportional to 1,007,405.24, 1,389,770.06 and 680,613.17

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Solution

The fourth proportional to 1,007,405.24, 1,389,770.06 and 680,613.17 is: 938,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,405.24 : 1,389,770.06 = 680,613.17 : x
  2. Step 2: Convert to fraction form
    1,007,405.24/1,389,770.06 = 680,613.17/x
  3. Step 3: Cross multiply
    1,007,405.24x = 1,389,770.06 × 680,613.17
  4. Step 4: Simplify right side
    1,007,405.24x = 945,895,795,755.77
  5. Step 5: Solve for x
    x = 945,895,795,755.77/1,007,405.24
  6. Step 6: Final answer
    x = 938,942.70

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1.5x scale

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.