Home / 1,498,420.80-2,247,631.20-740,625.30

Finding the Fourth Proportional to 1,498,420.80, 2,247,631.20 and 740,625.30

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Solution

The fourth proportional to 1,498,420.80, 2,247,631.20 and 740,625.30 is: 1,110,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,420.80 : 2,247,631.20 = 740,625.30 : x
  2. Step 2: Convert to fraction form
    1,498,420.80/2,247,631.20 = 740,625.30/x
  3. Step 3: Cross multiply
    1,498,420.80x = 2,247,631.20 × 740,625.30
  4. Step 4: Simplify right side
    1,498,420.80x = 1,664,652,531,789.36
  5. Step 5: Solve for x
    x = 1,664,652,531,789.36/1,498,420.80
  6. Step 6: Final answer
    x = 1,110,937.95

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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.