Home / 1,427,775.84-2,140,909.92-754,218.72

Finding the Fourth Proportional to 1,427,775.84, 2,140,909.92 and 754,218.72

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Solution

The fourth proportional to 1,427,775.84, 2,140,909.92 and 754,218.72 is: 1,130,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,775.84 : 2,140,909.92 = 754,218.72 : x
  2. Step 2: Convert to fraction form
    1,427,775.84/2,140,909.92 = 754,218.72/x
  3. Step 3: Cross multiply
    1,427,775.84x = 2,140,909.92 × 754,218.72
  4. Step 4: Simplify right side
    1,427,775.84x = 1,614,714,339,497.70
  5. Step 5: Solve for x
    x = 1,614,714,339,497.70/1,427,775.84
  6. Step 6: Final answer
    x = 1,130,929.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.