Home / 918,025.10-1,266,991.13-555,451.94

Finding the Fourth Proportional to 918,025.10, 1,266,991.13 and 555,451.94

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Solution

The fourth proportional to 918,025.10, 1,266,991.13 and 555,451.94 is: 766,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,025.10 : 1,266,991.13 = 555,451.94 : x
  2. Step 2: Convert to fraction form
    918,025.10/1,266,991.13 = 555,451.94/x
  3. Step 3: Cross multiply
    918,025.10x = 1,266,991.13 × 555,451.94
  4. Step 4: Simplify right side
    918,025.10x = 703,752,676,174.97
  5. Step 5: Solve for x
    x = 703,752,676,174.97/918,025.10
  6. Step 6: Final answer
    x = 766,594.16

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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.