Home / 1,107,839.20-1,528,810.32-655,120.48

Finding the Fourth Proportional to 1,107,839.20, 1,528,810.32 and 655,120.48

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Solution

The fourth proportional to 1,107,839.20, 1,528,810.32 and 655,120.48 is: 904,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,839.20 : 1,528,810.32 = 655,120.48 : x
  2. Step 2: Convert to fraction form
    1,107,839.20/1,528,810.32 = 655,120.48/x
  3. Step 3: Cross multiply
    1,107,839.20x = 1,528,810.32 × 655,120.48
  4. Step 4: Simplify right side
    1,107,839.20x = 1,001,554,950,667.35
  5. Step 5: Solve for x
    x = 1,001,554,950,667.35/1,107,839.20
  6. Step 6: Final answer
    x = 904,061.66

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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.