Home / 779,726.80-1,170,281.40-667,752.40

Finding the Fourth Proportional to 779,726.80, 1,170,281.40 and 667,752.40

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Solution

The fourth proportional to 779,726.80, 1,170,281.40 and 667,752.40 is: 1,002,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,726.80 : 1,170,281.40 = 667,752.40 : x
  2. Step 2: Convert to fraction form
    779,726.80/1,170,281.40 = 667,752.40/x
  3. Step 3: Cross multiply
    779,726.80x = 1,170,281.40 × 667,752.40
  4. Step 4: Simplify right side
    779,726.80x = 781,458,213,525.36
  5. Step 5: Solve for x
    x = 781,458,213,525.36/779,726.80
  6. Step 6: Final answer
    x = 1,002,220.54

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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.