Home / 1,246,182.78-1,869,289.17-347,569.80

Finding the Fourth Proportional to 1,246,182.78, 1,869,289.17 and 347,569.80

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Solution

The fourth proportional to 1,246,182.78, 1,869,289.17 and 347,569.80 is: 521,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,182.78 : 1,869,289.17 = 347,569.80 : x
  2. Step 2: Convert to fraction form
    1,246,182.78/1,869,289.17 = 347,569.80/x
  3. Step 3: Cross multiply
    1,246,182.78x = 1,869,289.17 × 347,569.80
  4. Step 4: Simplify right side
    1,246,182.78x = 649,708,462,959.07
  5. Step 5: Solve for x
    x = 649,708,462,959.07/1,246,182.78
  6. Step 6: Final answer
    x = 521,358.88

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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.