Home / 1,240,659.59-1,861,117.56-342,101.48

Finding the Fourth Proportional to 1,240,659.59, 1,861,117.56 and 342,101.48

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Solution

The fourth proportional to 1,240,659.59, 1,861,117.56 and 342,101.48 is: 513,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,659.59 : 1,861,117.56 = 342,101.48 : x
  2. Step 2: Convert to fraction form
    1,240,659.59/1,861,117.56 = 342,101.48/x
  3. Step 3: Cross multiply
    1,240,659.59x = 1,861,117.56 × 342,101.48
  4. Step 4: Simplify right side
    1,240,659.59x = 636,691,062,424.40
  5. Step 5: Solve for x
    x = 636,691,062,424.40/1,240,659.59
  6. Step 6: Final answer
    x = 513,187.56

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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.