Home / 1,480,540.66-2,220,810.71-807,188.20

Finding the Fourth Proportional to 1,480,540.66, 2,220,810.71 and 807,188.20

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Solution

The fourth proportional to 1,480,540.66, 2,220,810.71 and 807,188.20 is: 1,210,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,540.66 : 2,220,810.71 = 807,188.20 : x
  2. Step 2: Convert to fraction form
    1,480,540.66/2,220,810.71 = 807,188.20/x
  3. Step 3: Cross multiply
    1,480,540.66x = 2,220,810.71 × 807,188.20
  4. Step 4: Simplify right side
    1,480,540.66x = 1,792,612,199,545.62
  5. Step 5: Solve for x
    x = 1,792,612,199,545.62/1,480,540.66
  6. Step 6: Final answer
    x = 1,210,782.15

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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.