Home / 838,642.20-1,257,963.30-733,666.20

Finding the Fourth Proportional to 838,642.20, 1,257,963.30 and 733,666.20

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Solution

The fourth proportional to 838,642.20, 1,257,963.30 and 733,666.20 is: 1,100,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,642.20 : 1,257,963.30 = 733,666.20 : x
  2. Step 2: Convert to fraction form
    838,642.20/1,257,963.30 = 733,666.20/x
  3. Step 3: Cross multiply
    838,642.20x = 1,257,963.30 × 733,666.20
  4. Step 4: Simplify right side
    838,642.20x = 922,925,154,050.46
  5. Step 5: Solve for x
    x = 922,925,154,050.46/838,642.20
  6. Step 6: Final answer
    x = 1,100,499.30

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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.