Home / 1,609,449.72-2,220,491.30-997,379.16

Finding the Fourth Proportional to 1,609,449.72, 2,220,491.30 and 997,379.16

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Solution

The fourth proportional to 1,609,449.72, 2,220,491.30 and 997,379.16 is: 1,376,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,449.72 : 2,220,491.30 = 997,379.16 : x
  2. Step 2: Convert to fraction form
    1,609,449.72/2,220,491.30 = 997,379.16/x
  3. Step 3: Cross multiply
    1,609,449.72x = 2,220,491.30 × 997,379.16
  4. Step 4: Simplify right side
    1,609,449.72x = 2,214,671,734,267.57
  5. Step 5: Solve for x
    x = 2,214,671,734,267.57/1,609,449.72
  6. Step 6: Final answer
    x = 1,376,042.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.