Home / 1,102,712.80-1,651,882.20-971,201.20

Finding the Fourth Proportional to 1,102,712.80, 1,651,882.20 and 971,201.20

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Solution

The fourth proportional to 1,102,712.80, 1,651,882.20 and 971,201.20 is: 1,454,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,712.80 : 1,651,882.20 = 971,201.20 : x
  2. Step 2: Convert to fraction form
    1,102,712.80/1,651,882.20 = 971,201.20/x
  3. Step 3: Cross multiply
    1,102,712.80x = 1,651,882.20 × 971,201.20
  4. Step 4: Simplify right side
    1,102,712.80x = 1,604,309,974,898.64
  5. Step 5: Solve for x
    x = 1,604,309,974,898.64/1,102,712.80
  6. Step 6: Final answer
    x = 1,454,875.63

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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.