Home / 1,000,126-1,380,186.84-547,407.28

Finding the Fourth Proportional to 1,000,126, 1,380,186.84 and 547,407.28

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Solution

The fourth proportional to 1,000,126, 1,380,186.84 and 547,407.28 is: 755,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,126 : 1,380,186.84 = 547,407.28 : x
  2. Step 2: Convert to fraction form
    1,000,126/1,380,186.84 = 547,407.28/x
  3. Step 3: Cross multiply
    1,000,126x = 1,380,186.84 × 547,407.28
  4. Step 4: Simplify right side
    1,000,126x = 755,524,323,976.20
  5. Step 5: Solve for x
    x = 755,524,323,976.20/1,000,126
  6. Step 6: Final answer
    x = 755,429.14

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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.