Home / 1,587,433.46-2,190,656.51-862,281.75

Finding the Fourth Proportional to 1,587,433.46, 2,190,656.51 and 862,281.75

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Solution

The fourth proportional to 1,587,433.46, 2,190,656.51 and 862,281.75 is: 1,189,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,433.46 : 2,190,656.51 = 862,281.75 : x
  2. Step 2: Convert to fraction form
    1,587,433.46/2,190,656.51 = 862,281.75/x
  3. Step 3: Cross multiply
    1,587,433.46x = 2,190,656.51 × 862,281.75
  4. Step 4: Simplify right side
    1,587,433.46x = 1,888,963,129,091.69
  5. Step 5: Solve for x
    x = 1,888,963,129,091.69/1,587,433.46
  6. Step 6: Final answer
    x = 1,189,947.91

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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.