Home / 1,691,229.76-2,536,574.52-492,871.74

Finding the Fourth Proportional to 1,691,229.76, 2,536,574.52 and 492,871.74

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Solution

The fourth proportional to 1,691,229.76, 2,536,574.52 and 492,871.74 is: 739,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,229.76 : 2,536,574.52 = 492,871.74 : x
  2. Step 2: Convert to fraction form
    1,691,229.76/2,536,574.52 = 492,871.74/x
  3. Step 3: Cross multiply
    1,691,229.76x = 2,536,574.52 × 492,871.74
  4. Step 4: Simplify right side
    1,691,229.76x = 1,250,205,897,312.06
  5. Step 5: Solve for x
    x = 1,250,205,897,312.06/1,691,229.76
  6. Step 6: Final answer
    x = 739,228.89

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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.