Home / 1,072,642.80-1,609,555.20-652,213.92

Finding the Fourth Proportional to 1,072,642.80, 1,609,555.20 and 652,213.92

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Solution

The fourth proportional to 1,072,642.80, 1,609,555.20 and 652,213.92 is: 978,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,642.80 : 1,609,555.20 = 652,213.92 : x
  2. Step 2: Convert to fraction form
    1,072,642.80/1,609,555.20 = 652,213.92/x
  3. Step 3: Cross multiply
    1,072,642.80x = 1,609,555.20 × 652,213.92
  4. Step 4: Simplify right side
    1,072,642.80x = 1,049,774,306,448.38
  5. Step 5: Solve for x
    x = 1,049,774,306,448.38/1,072,642.80
  6. Step 6: Final answer
    x = 978,680.23

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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.