Home / 991,895.47-1,486,407.20-683,831.25

Finding the Fourth Proportional to 991,895.47, 1,486,407.20 and 683,831.25

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Solution

The fourth proportional to 991,895.47, 1,486,407.20 and 683,831.25 is: 1,024,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,895.47 : 1,486,407.20 = 683,831.25 : x
  2. Step 2: Convert to fraction form
    991,895.47/1,486,407.20 = 683,831.25/x
  3. Step 3: Cross multiply
    991,895.47x = 1,486,407.20 × 683,831.25
  4. Step 4: Simplify right side
    991,895.47x = 1,016,451,689,713.30
  5. Step 5: Solve for x
    x = 1,016,451,689,713.30/991,895.47
  6. Step 6: Final answer
    x = 1,024,756.86

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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.