Home / 1,347,150.29-1,858,422.69-911,719.80

Finding the Fourth Proportional to 1,347,150.29, 1,858,422.69 and 911,719.80

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Solution

The fourth proportional to 1,347,150.29, 1,858,422.69 and 911,719.80 is: 1,257,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,150.29 : 1,858,422.69 = 911,719.80 : x
  2. Step 2: Convert to fraction form
    1,347,150.29/1,858,422.69 = 911,719.80/x
  3. Step 3: Cross multiply
    1,347,150.29x = 1,858,422.69 × 911,719.80
  4. Step 4: Simplify right side
    1,347,150.29x = 1,694,360,763,242.26
  5. Step 5: Solve for x
    x = 1,694,360,763,242.26/1,347,150.29
  6. Step 6: Final answer
    x = 1,257,737.00

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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.