Home / 1,332,314.20-1,997,780.10-490,432.60

Finding the Fourth Proportional to 1,332,314.20, 1,997,780.10 and 490,432.60

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Solution

The fourth proportional to 1,332,314.20, 1,997,780.10 and 490,432.60 is: 735,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,314.20 : 1,997,780.10 = 490,432.60 : x
  2. Step 2: Convert to fraction form
    1,332,314.20/1,997,780.10 = 490,432.60/x
  3. Step 3: Cross multiply
    1,332,314.20x = 1,997,780.10 × 490,432.60
  4. Step 4: Simplify right side
    1,332,314.20x = 979,776,488,671.26
  5. Step 5: Solve for x
    x = 979,776,488,671.26/1,332,314.20
  6. Step 6: Final answer
    x = 735,394.47

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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.