Home / 1,443,632.28-2,165,747.22-432,713.40

Finding the Fourth Proportional to 1,443,632.28, 2,165,747.22 and 432,713.40

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Solution

The fourth proportional to 1,443,632.28, 2,165,747.22 and 432,713.40 is: 649,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,632.28 : 2,165,747.22 = 432,713.40 : x
  2. Step 2: Convert to fraction form
    1,443,632.28/2,165,747.22 = 432,713.40/x
  3. Step 3: Cross multiply
    1,443,632.28x = 2,165,747.22 × 432,713.40
  4. Step 4: Simplify right side
    1,443,632.28x = 937,147,843,106.75
  5. Step 5: Solve for x
    x = 937,147,843,106.75/1,443,632.28
  6. Step 6: Final answer
    x = 649,159.66

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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.