Home / 1,000,020.18-1,380,031.51-541,134.76

Finding the Fourth Proportional to 1,000,020.18, 1,380,031.51 and 541,134.76

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Solution

The fourth proportional to 1,000,020.18, 1,380,031.51 and 541,134.76 is: 746,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,020.18 : 1,380,031.51 = 541,134.76 : x
  2. Step 2: Convert to fraction form
    1,000,020.18/1,380,031.51 = 541,134.76/x
  3. Step 3: Cross multiply
    1,000,020.18x = 1,380,031.51 × 541,134.76
  4. Step 4: Simplify right side
    1,000,020.18x = 746,783,011,551.19
  5. Step 5: Solve for x
    x = 746,783,011,551.19/1,000,020.18
  6. Step 6: Final answer
    x = 746,767.94

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Double scale
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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.