Home / 1,097,000.22-1,645,205.49-386,934.78

Finding the Fourth Proportional to 1,097,000.22, 1,645,205.49 and 386,934.78

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Solution

The fourth proportional to 1,097,000.22, 1,645,205.49 and 386,934.78 is: 580,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,000.22 : 1,645,205.49 = 386,934.78 : x
  2. Step 2: Convert to fraction form
    1,097,000.22/1,645,205.49 = 386,934.78/x
  3. Step 3: Cross multiply
    1,097,000.22x = 1,645,205.49 × 386,934.78
  4. Step 4: Simplify right side
    1,097,000.22x = 636,587,224,327.94
  5. Step 5: Solve for x
    x = 636,587,224,327.94/1,097,000.22
  6. Step 6: Final answer
    x = 580,298.17

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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.