Home / 1,255,452.72-1,730,898.58-813,140.34

Finding the Fourth Proportional to 1,255,452.72, 1,730,898.58 and 813,140.34

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Solution

The fourth proportional to 1,255,452.72, 1,730,898.58 and 813,140.34 is: 1,121,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,452.72 : 1,730,898.58 = 813,140.34 : x
  2. Step 2: Convert to fraction form
    1,255,452.72/1,730,898.58 = 813,140.34/x
  3. Step 3: Cross multiply
    1,255,452.72x = 1,730,898.58 × 813,140.34
  4. Step 4: Simplify right side
    1,255,452.72x = 1,407,463,450,560.68
  5. Step 5: Solve for x
    x = 1,407,463,450,560.68/1,255,452.72
  6. Step 6: Final answer
    x = 1,121,080.41

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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.