Home / 1,643,765.46-2,268,404.70-918,625.30

Finding the Fourth Proportional to 1,643,765.46, 2,268,404.70 and 918,625.30

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Solution

The fourth proportional to 1,643,765.46, 2,268,404.70 and 918,625.30 is: 1,267,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,765.46 : 2,268,404.70 = 918,625.30 : x
  2. Step 2: Convert to fraction form
    1,643,765.46/2,268,404.70 = 918,625.30/x
  3. Step 3: Cross multiply
    1,643,765.46x = 2,268,404.70 × 918,625.30
  4. Step 4: Simplify right side
    1,643,765.46x = 2,083,813,948,058.91
  5. Step 5: Solve for x
    x = 2,083,813,948,058.91/1,643,765.46
  6. Step 6: Final answer
    x = 1,267,707.59

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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.