Home / 1,242,998.30-1,864,591.42-344,429.66

Finding the Fourth Proportional to 1,242,998.30, 1,864,591.42 and 344,429.66

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Solution

The fourth proportional to 1,242,998.30, 1,864,591.42 and 344,429.66 is: 516,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,998.30 : 1,864,591.42 = 344,429.66 : x
  2. Step 2: Convert to fraction form
    1,242,998.30/1,864,591.42 = 344,429.66/x
  3. Step 3: Cross multiply
    1,242,998.30x = 1,864,591.42 × 344,429.66
  4. Step 4: Simplify right side
    1,242,998.30x = 642,220,588,829.52
  5. Step 5: Solve for x
    x = 642,220,588,829.52/1,242,998.30
  6. Step 6: Final answer
    x = 516,670.53

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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.