Home / 1,000,156.40-1,380,204.60-547,442

Finding the Fourth Proportional to 1,000,156.40, 1,380,204.60 and 547,442

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Solution

The fourth proportional to 1,000,156.40, 1,380,204.60 and 547,442 is: 755,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,156.40 : 1,380,204.60 = 547,442 : x
  2. Step 2: Convert to fraction form
    1,000,156.40/1,380,204.60 = 547,442/x
  3. Step 3: Cross multiply
    1,000,156.40x = 1,380,204.60 × 547,442
  4. Step 4: Simplify right side
    1,000,156.40x = 755,581,966,633.20
  5. Step 5: Solve for x
    x = 755,581,966,633.20/1,000,156.40
  6. Step 6: Final answer
    x = 755,463.81

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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.