Home / 1,247,371.98-1,721,371.86-674,410.80

Finding the Fourth Proportional to 1,247,371.98, 1,721,371.86 and 674,410.80

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Solution

The fourth proportional to 1,247,371.98, 1,721,371.86 and 674,410.80 is: 930,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,371.98 : 1,721,371.86 = 674,410.80 : x
  2. Step 2: Convert to fraction form
    1,247,371.98/1,721,371.86 = 674,410.80/x
  3. Step 3: Cross multiply
    1,247,371.98x = 1,721,371.86 × 674,410.80
  4. Step 4: Simplify right side
    1,247,371.98x = 1,160,911,773,200.09
  5. Step 5: Solve for x
    x = 1,160,911,773,200.09/1,247,371.98
  6. Step 6: Final answer
    x = 930,686.11

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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.