Home / 1,587,433.14-2,190,697.25-862,280.64

Finding the Fourth Proportional to 1,587,433.14, 2,190,697.25 and 862,280.64

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Solution

The fourth proportional to 1,587,433.14, 2,190,697.25 and 862,280.64 is: 1,189,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,433.14 : 2,190,697.25 = 862,280.64 : x
  2. Step 2: Convert to fraction form
    1,587,433.14/2,190,697.25 = 862,280.64/x
  3. Step 3: Cross multiply
    1,587,433.14x = 2,190,697.25 × 862,280.64
  4. Step 4: Simplify right side
    1,587,433.14x = 1,888,995,822,464.84
  5. Step 5: Solve for x
    x = 1,888,995,822,464.84/1,587,433.14
  6. Step 6: Final answer
    x = 1,189,968.75

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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.