Home / 1,281,647.91-1,921,340.48-483,489.96

Finding the Fourth Proportional to 1,281,647.91, 1,921,340.48 and 483,489.96

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Solution

The fourth proportional to 1,281,647.91, 1,921,340.48 and 483,489.96 is: 724,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,647.91 : 1,921,340.48 = 483,489.96 : x
  2. Step 2: Convert to fraction form
    1,281,647.91/1,921,340.48 = 483,489.96/x
  3. Step 3: Cross multiply
    1,281,647.91x = 1,921,340.48 × 483,489.96
  4. Step 4: Simplify right side
    1,281,647.91x = 928,948,834,366.46
  5. Step 5: Solve for x
    x = 928,948,834,366.46/1,281,647.91
  6. Step 6: Final answer
    x = 724,808.14

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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.