Home / 1,587,288.61-2,190,474.37-862,150.49

Finding the Fourth Proportional to 1,587,288.61, 2,190,474.37 and 862,150.49

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Solution

The fourth proportional to 1,587,288.61, 2,190,474.37 and 862,150.49 is: 1,189,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,288.61 : 2,190,474.37 = 862,150.49 : x
  2. Step 2: Convert to fraction form
    1,587,288.61/2,190,474.37 = 862,150.49/x
  3. Step 3: Cross multiply
    1,587,288.61x = 2,190,474.37 × 862,150.49
  4. Step 4: Simplify right side
    1,587,288.61x = 1,888,518,543,796.38
  5. Step 5: Solve for x
    x = 1,888,518,543,796.38/1,587,288.61
  6. Step 6: Final answer
    x = 1,189,776.41

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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.