Home / 1,143,637.30-1,578,231.50-627,392.24

Finding the Fourth Proportional to 1,143,637.30, 1,578,231.50 and 627,392.24

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Solution

The fourth proportional to 1,143,637.30, 1,578,231.50 and 627,392.24 is: 865,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,637.30 : 1,578,231.50 = 627,392.24 : x
  2. Step 2: Convert to fraction form
    1,143,637.30/1,578,231.50 = 627,392.24/x
  3. Step 3: Cross multiply
    1,143,637.30x = 1,578,231.50 × 627,392.24
  4. Step 4: Simplify right side
    1,143,637.30x = 990,170,184,995.44
  5. Step 5: Solve for x
    x = 990,170,184,995.44/1,143,637.30
  6. Step 6: Final answer
    x = 865,807.88

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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.