Home / 1,391,633.57-2,087,777.04-432,040.16

Finding the Fourth Proportional to 1,391,633.57, 2,087,777.04 and 432,040.16

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Solution

The fourth proportional to 1,391,633.57, 2,087,777.04 and 432,040.16 is: 648,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,633.57 : 2,087,777.04 = 432,040.16 : x
  2. Step 2: Convert to fraction form
    1,391,633.57/2,087,777.04 = 432,040.16/x
  3. Step 3: Cross multiply
    1,391,633.57x = 2,087,777.04 × 432,040.16
  4. Step 4: Simplify right side
    1,391,633.57x = 902,003,515,967.04
  5. Step 5: Solve for x
    x = 902,003,515,967.04/1,391,633.57
  6. Step 6: Final answer
    x = 648,161.66

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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.