Home / 1,431,372.24-2,147,320.80-589,464.72

Finding the Fourth Proportional to 1,431,372.24, 2,147,320.80 and 589,464.72

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Solution

The fourth proportional to 1,431,372.24, 2,147,320.80 and 589,464.72 is: 884,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,372.24 : 2,147,320.80 = 589,464.72 : x
  2. Step 2: Convert to fraction form
    1,431,372.24/2,147,320.80 = 589,464.72/x
  3. Step 3: Cross multiply
    1,431,372.24x = 2,147,320.80 × 589,464.72
  4. Step 4: Simplify right side
    1,431,372.24x = 1,265,769,854,122.18
  5. Step 5: Solve for x
    x = 1,265,769,854,122.18/1,431,372.24
  6. Step 6: Final answer
    x = 884,305.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.