Home / 1,587,283.04-2,190,466.68-862,144.92

Finding the Fourth Proportional to 1,587,283.04, 2,190,466.68 and 862,144.92

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Solution

The fourth proportional to 1,587,283.04, 2,190,466.68 and 862,144.92 is: 1,189,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,283.04 : 2,190,466.68 = 862,144.92 : x
  2. Step 2: Convert to fraction form
    1,587,283.04/2,190,466.68 = 862,144.92/x
  3. Step 3: Cross multiply
    1,587,283.04x = 2,190,466.68 × 862,144.92
  4. Step 4: Simplify right side
    1,587,283.04x = 1,888,499,720,591.27
  5. Step 5: Solve for x
    x = 1,888,499,720,591.27/1,587,283.04
  6. Step 6: Final answer
    x = 1,189,768.73

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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.