Home / 746,806.20-1,118,135.70-726,070.20

Finding the Fourth Proportional to 746,806.20, 1,118,135.70 and 726,070.20

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Solution

The fourth proportional to 746,806.20, 1,118,135.70 and 726,070.20 is: 1,087,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,806.20 : 1,118,135.70 = 726,070.20 : x
  2. Step 2: Convert to fraction form
    746,806.20/1,118,135.70 = 726,070.20/x
  3. Step 3: Cross multiply
    746,806.20x = 1,118,135.70 × 726,070.20
  4. Step 4: Simplify right side
    746,806.20x = 811,845,011,326.14
  5. Step 5: Solve for x
    x = 811,845,011,326.14/746,806.20
  6. Step 6: Final answer
    x = 1,087,089.28

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Double scale
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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.