Home / 1,443,312.32-2,164,375.18-432,077.12

Finding the Fourth Proportional to 1,443,312.32, 2,164,375.18 and 432,077.12

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Solution

The fourth proportional to 1,443,312.32, 2,164,375.18 and 432,077.12 is: 647,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,312.32 : 2,164,375.18 = 432,077.12 : x
  2. Step 2: Convert to fraction form
    1,443,312.32/2,164,375.18 = 432,077.12/x
  3. Step 3: Cross multiply
    1,443,312.32x = 2,164,375.18 × 432,077.12
  4. Step 4: Simplify right side
    1,443,312.32x = 935,176,994,373.88
  5. Step 5: Solve for x
    x = 935,176,994,373.88/1,443,312.32
  6. Step 6: Final answer
    x = 647,938.07

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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.