Home / 1,151,428.77-1,726,404.03-477,974.93

Finding the Fourth Proportional to 1,151,428.77, 1,726,404.03 and 477,974.93

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Solution

The fourth proportional to 1,151,428.77, 1,726,404.03 and 477,974.93 is: 716,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,428.77 : 1,726,404.03 = 477,974.93 : x
  2. Step 2: Convert to fraction form
    1,151,428.77/1,726,404.03 = 477,974.93/x
  3. Step 3: Cross multiply
    1,151,428.77x = 1,726,404.03 × 477,974.93
  4. Step 4: Simplify right side
    1,151,428.77x = 825,177,836,758.95
  5. Step 5: Solve for x
    x = 825,177,836,758.95/1,151,428.77
  6. Step 6: Final answer
    x = 716,655.57

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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.