Home / 1,085,710.30-1,628,565.45-486,034.90

Finding the Fourth Proportional to 1,085,710.30, 1,628,565.45 and 486,034.90

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Solution

The fourth proportional to 1,085,710.30, 1,628,565.45 and 486,034.90 is: 729,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,710.30 : 1,628,565.45 = 486,034.90 : x
  2. Step 2: Convert to fraction form
    1,085,710.30/1,628,565.45 = 486,034.90/x
  3. Step 3: Cross multiply
    1,085,710.30x = 1,628,565.45 × 486,034.90
  4. Step 4: Simplify right side
    1,085,710.30x = 791,539,645,634.21
  5. Step 5: Solve for x
    x = 791,539,645,634.21/1,085,710.30
  6. Step 6: Final answer
    x = 729,052.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.