Home / 1,254,291.21-1,730,930.92-681,331.23

Finding the Fourth Proportional to 1,254,291.21, 1,730,930.92 and 681,331.23

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Solution

The fourth proportional to 1,254,291.21, 1,730,930.92 and 681,331.23 is: 940,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,291.21 : 1,730,930.92 = 681,331.23 : x
  2. Step 2: Convert to fraction form
    1,254,291.21/1,730,930.92 = 681,331.23/x
  3. Step 3: Cross multiply
    1,254,291.21x = 1,730,930.92 × 681,331.23
  4. Step 4: Simplify right side
    1,254,291.21x = 1,179,337,291,065.30
  5. Step 5: Solve for x
    x = 1,179,337,291,065.30/1,254,291.21
  6. Step 6: Final answer
    x = 940,242.01

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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.