Home / 1,281,657.66-1,921,355.06-483,499.70

Finding the Fourth Proportional to 1,281,657.66, 1,921,355.06 and 483,499.70

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Solution

The fourth proportional to 1,281,657.66, 1,921,355.06 and 483,499.70 is: 724,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,657.66 : 1,921,355.06 = 483,499.70 : x
  2. Step 2: Convert to fraction form
    1,281,657.66/1,921,355.06 = 483,499.70/x
  3. Step 3: Cross multiply
    1,281,657.66x = 1,921,355.06 × 483,499.70
  4. Step 4: Simplify right side
    1,281,657.66x = 928,974,595,103.48
  5. Step 5: Solve for x
    x = 928,974,595,103.48/1,281,657.66
  6. Step 6: Final answer
    x = 724,822.72

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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.