Home / 1,095,781.80-1,642,635.90-646,847.40

Finding the Fourth Proportional to 1,095,781.80, 1,642,635.90 and 646,847.40

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Solution

The fourth proportional to 1,095,781.80, 1,642,635.90 and 646,847.40 is: 969,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,781.80 : 1,642,635.90 = 646,847.40 : x
  2. Step 2: Convert to fraction form
    1,095,781.80/1,642,635.90 = 646,847.40/x
  3. Step 3: Cross multiply
    1,095,781.80x = 1,642,635.90 × 646,847.40
  4. Step 4: Simplify right side
    1,095,781.80x = 1,062,534,761,061.66
  5. Step 5: Solve for x
    x = 1,062,534,761,061.66/1,095,781.80
  6. Step 6: Final answer
    x = 969,659.07

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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.