Home / 1,315,630.20-1,972,862.10-605,875.80

Finding the Fourth Proportional to 1,315,630.20, 1,972,862.10 and 605,875.80

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Solution

The fourth proportional to 1,315,630.20, 1,972,862.10 and 605,875.80 is: 908,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,630.20 : 1,972,862.10 = 605,875.80 : x
  2. Step 2: Convert to fraction form
    1,315,630.20/1,972,862.10 = 605,875.80/x
  3. Step 3: Cross multiply
    1,315,630.20x = 1,972,862.10 × 605,875.80
  4. Step 4: Simplify right side
    1,315,630.20x = 1,195,309,403,127.18
  5. Step 5: Solve for x
    x = 1,195,309,403,127.18/1,315,630.20
  6. Step 6: Final answer
    x = 908,545.12

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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.