Home / 1,036,645.30-1,555,046.66-353,319.78

Finding the Fourth Proportional to 1,036,645.30, 1,555,046.66 and 353,319.78

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Solution

The fourth proportional to 1,036,645.30, 1,555,046.66 and 353,319.78 is: 530,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,645.30 : 1,555,046.66 = 353,319.78 : x
  2. Step 2: Convert to fraction form
    1,036,645.30/1,555,046.66 = 353,319.78/x
  3. Step 3: Cross multiply
    1,036,645.30x = 1,555,046.66 × 353,319.78
  4. Step 4: Simplify right side
    1,036,645.30x = 549,428,743,800.94
  5. Step 5: Solve for x
    x = 549,428,743,800.94/1,036,645.30
  6. Step 6: Final answer
    x = 530,006.50

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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.