Home / 1,392,200.46-2,087,710.20-493,868.34

Finding the Fourth Proportional to 1,392,200.46, 2,087,710.20 and 493,868.34

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Solution

The fourth proportional to 1,392,200.46, 2,087,710.20 and 493,868.34 is: 740,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,200.46 : 2,087,710.20 = 493,868.34 : x
  2. Step 2: Convert to fraction form
    1,392,200.46/2,087,710.20 = 493,868.34/x
  3. Step 3: Cross multiply
    1,392,200.46x = 2,087,710.20 × 493,868.34
  4. Step 4: Simplify right side
    1,392,200.46x = 1,031,053,970,875.07
  5. Step 5: Solve for x
    x = 1,031,053,970,875.07/1,392,200.46
  6. Step 6: Final answer
    x = 740,593.04

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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.