Home / 1,148,532.35-1,722,846.03-338,916.78

Finding the Fourth Proportional to 1,148,532.35, 1,722,846.03 and 338,916.78

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Solution

The fourth proportional to 1,148,532.35, 1,722,846.03 and 338,916.78 is: 508,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,532.35 : 1,722,846.03 = 338,916.78 : x
  2. Step 2: Convert to fraction form
    1,148,532.35/1,722,846.03 = 338,916.78/x
  3. Step 3: Cross multiply
    1,148,532.35x = 1,722,846.03 × 338,916.78
  4. Step 4: Simplify right side
    1,148,532.35x = 583,901,419,461.86
  5. Step 5: Solve for x
    x = 583,901,419,461.86/1,148,532.35
  6. Step 6: Final answer
    x = 508,389.18

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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.