Home / 1,492,023.70-2,238,696.99-781,882.90

Finding the Fourth Proportional to 1,492,023.70, 2,238,696.99 and 781,882.90

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Solution

The fourth proportional to 1,492,023.70, 2,238,696.99 and 781,882.90 is: 1,173,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,023.70 : 2,238,696.99 = 781,882.90 : x
  2. Step 2: Convert to fraction form
    1,492,023.70/2,238,696.99 = 781,882.90/x
  3. Step 3: Cross multiply
    1,492,023.70x = 2,238,696.99 × 781,882.90
  4. Step 4: Simplify right side
    1,492,023.70x = 1,750,398,894,762.47
  5. Step 5: Solve for x
    x = 1,750,398,894,762.47/1,492,023.70
  6. Step 6: Final answer
    x = 1,173,170.97

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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.