Home / 1,213,691.50-1,820,624.73-465,737.50

Finding the Fourth Proportional to 1,213,691.50, 1,820,624.73 and 465,737.50

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Solution

The fourth proportional to 1,213,691.50, 1,820,624.73 and 465,737.50 is: 698,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,691.50 : 1,820,624.73 = 465,737.50 : x
  2. Step 2: Convert to fraction form
    1,213,691.50/1,820,624.73 = 465,737.50/x
  3. Step 3: Cross multiply
    1,213,691.50x = 1,820,624.73 × 465,737.50
  4. Step 4: Simplify right side
    1,213,691.50x = 847,933,210,188.38
  5. Step 5: Solve for x
    x = 847,933,210,188.38/1,213,691.50
  6. Step 6: Final answer
    x = 698,639.82

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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.