Home / 1,117,351.16-1,676,042.00-318,632.56

Finding the Fourth Proportional to 1,117,351.16, 1,676,042.00 and 318,632.56

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Solution

The fourth proportional to 1,117,351.16, 1,676,042.00 and 318,632.56 is: 477,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,351.16 : 1,676,042.00 = 318,632.56 : x
  2. Step 2: Convert to fraction form
    1,117,351.16/1,676,042.00 = 318,632.56/x
  3. Step 3: Cross multiply
    1,117,351.16x = 1,676,042.00 × 318,632.56
  4. Step 4: Simplify right side
    1,117,351.16x = 534,041,554,149.15
  5. Step 5: Solve for x
    x = 534,041,554,149.15/1,117,351.16
  6. Step 6: Final answer
    x = 477,953.19

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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.