Home / 1,247,432.58-1,721,064-763,493.22

Finding the Fourth Proportional to 1,247,432.58, 1,721,064 and 763,493.22

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Solution

The fourth proportional to 1,247,432.58, 1,721,064 and 763,493.22 is: 1,053,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,432.58 : 1,721,064 = 763,493.22 : x
  2. Step 2: Convert to fraction form
    1,247,432.58/1,721,064 = 763,493.22/x
  3. Step 3: Cross multiply
    1,247,432.58x = 1,721,064 × 763,493.22
  4. Step 4: Simplify right side
    1,247,432.58x = 1,314,020,695,186.08
  5. Step 5: Solve for x
    x = 1,314,020,695,186.08/1,247,432.58
  6. Step 6: Final answer
    x = 1,053,380.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.