Home / 1,352,013.81-1,865,776.18-740,161.61

Finding the Fourth Proportional to 1,352,013.81, 1,865,776.18 and 740,161.61

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Solution

The fourth proportional to 1,352,013.81, 1,865,776.18 and 740,161.61 is: 1,021,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,013.81 : 1,865,776.18 = 740,161.61 : x
  2. Step 2: Convert to fraction form
    1,352,013.81/1,865,776.18 = 740,161.61/x
  3. Step 3: Cross multiply
    1,352,013.81x = 1,865,776.18 × 740,161.61
  4. Step 4: Simplify right side
    1,352,013.81x = 1,380,975,891,959.57
  5. Step 5: Solve for x
    x = 1,380,975,891,959.57/1,352,013.81
  6. Step 6: Final answer
    x = 1,021,421.44

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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.