Home / 971,320.20-1,456,980.30-758,743.80

Finding the Fourth Proportional to 971,320.20, 1,456,980.30 and 758,743.80

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Solution

The fourth proportional to 971,320.20, 1,456,980.30 and 758,743.80 is: 1,138,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,320.20 : 1,456,980.30 = 758,743.80 : x
  2. Step 2: Convert to fraction form
    971,320.20/1,456,980.30 = 758,743.80/x
  3. Step 3: Cross multiply
    971,320.20x = 1,456,980.30 × 758,743.80
  4. Step 4: Simplify right side
    971,320.20x = 1,105,474,769,347.14
  5. Step 5: Solve for x
    x = 1,105,474,769,347.14/971,320.20
  6. Step 6: Final answer
    x = 1,138,115.70

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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.