Home / 1,347,119.77-1,859,025.30-918,149.29

Finding the Fourth Proportional to 1,347,119.77, 1,859,025.30 and 918,149.29

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Solution

The fourth proportional to 1,347,119.77, 1,859,025.30 and 918,149.29 is: 1,267,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,119.77 : 1,859,025.30 = 918,149.29 : x
  2. Step 2: Convert to fraction form
    1,347,119.77/1,859,025.30 = 918,149.29/x
  3. Step 3: Cross multiply
    1,347,119.77x = 1,859,025.30 × 918,149.29
  4. Step 4: Simplify right side
    1,347,119.77x = 1,706,862,754,639.47
  5. Step 5: Solve for x
    x = 1,706,862,754,639.47/1,347,119.77
  6. Step 6: Final answer
    x = 1,267,046.03

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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.