Home / 918,161.20-1,266,854.84-555,575.92

Finding the Fourth Proportional to 918,161.20, 1,266,854.84 and 555,575.92

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Solution

The fourth proportional to 918,161.20, 1,266,854.84 and 555,575.92 is: 766,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,161.20 : 1,266,854.84 = 555,575.92 : x
  2. Step 2: Convert to fraction form
    918,161.20/1,266,854.84 = 555,575.92/x
  3. Step 3: Cross multiply
    918,161.20x = 1,266,854.84 × 555,575.92
  4. Step 4: Simplify right side
    918,161.20x = 703,834,043,239.45
  5. Step 5: Solve for x
    x = 703,834,043,239.45/918,161.20
  6. Step 6: Final answer
    x = 766,569.14

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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.