Home / 1,096,045.44-1,645,001.28-431,664

Finding the Fourth Proportional to 1,096,045.44, 1,645,001.28 and 431,664

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Solution

The fourth proportional to 1,096,045.44, 1,645,001.28 and 431,664 is: 647,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,045.44 : 1,645,001.28 = 431,664 : x
  2. Step 2: Convert to fraction form
    1,096,045.44/1,645,001.28 = 431,664/x
  3. Step 3: Cross multiply
    1,096,045.44x = 1,645,001.28 × 431,664
  4. Step 4: Simplify right side
    1,096,045.44x = 710,087,832,529.92
  5. Step 5: Solve for x
    x = 710,087,832,529.92/1,096,045.44
  6. Step 6: Final answer
    x = 647,863.50

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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.