Home / 1,587,198.72-2,188,842.18-1,224,047.34

Finding the Fourth Proportional to 1,587,198.72, 2,188,842.18 and 1,224,047.34

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Solution

The fourth proportional to 1,587,198.72, 2,188,842.18 and 1,224,047.34 is: 1,688,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,198.72 : 2,188,842.18 = 1,224,047.34 : x
  2. Step 2: Convert to fraction form
    1,587,198.72/2,188,842.18 = 1,224,047.34/x
  3. Step 3: Cross multiply
    1,587,198.72x = 2,188,842.18 × 1,224,047.34
  4. Step 4: Simplify right side
    1,587,198.72x = 2,679,246,448,108.80
  5. Step 5: Solve for x
    x = 2,679,246,448,108.80/1,587,198.72
  6. Step 6: Final answer
    x = 1,688,034.66

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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.