Home / 1,212,847.40-1,817,813.10-502,509.80

Finding the Fourth Proportional to 1,212,847.40, 1,817,813.10 and 502,509.80

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Solution

The fourth proportional to 1,212,847.40, 1,817,813.10 and 502,509.80 is: 753,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,847.40 : 1,817,813.10 = 502,509.80 : x
  2. Step 2: Convert to fraction form
    1,212,847.40/1,817,813.10 = 502,509.80/x
  3. Step 3: Cross multiply
    1,212,847.40x = 1,817,813.10 × 502,509.80
  4. Step 4: Simplify right side
    1,212,847.40x = 913,468,897,318.38
  5. Step 5: Solve for x
    x = 913,468,897,318.38/1,212,847.40
  6. Step 6: Final answer
    x = 753,160.62

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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.