Home / 1,587,282.55-2,190,465.99-862,144.43

Finding the Fourth Proportional to 1,587,282.55, 2,190,465.99 and 862,144.43

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Solution

The fourth proportional to 1,587,282.55, 2,190,465.99 and 862,144.43 is: 1,189,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,282.55 : 2,190,465.99 = 862,144.43 : x
  2. Step 2: Convert to fraction form
    1,587,282.55/2,190,465.99 = 862,144.43/x
  3. Step 3: Cross multiply
    1,587,282.55x = 2,190,465.99 × 862,144.43
  4. Step 4: Simplify right side
    1,587,282.55x = 1,888,498,041,430.61
  5. Step 5: Solve for x
    x = 1,888,498,041,430.61/1,587,282.55
  6. Step 6: Final answer
    x = 1,189,768.04

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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.