Home / 1,072,648.80-1,609,564.20-652,219.92

Finding the Fourth Proportional to 1,072,648.80, 1,609,564.20 and 652,219.92

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Solution

The fourth proportional to 1,072,648.80, 1,609,564.20 and 652,219.92 is: 978,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,648.80 : 1,609,564.20 = 652,219.92 : x
  2. Step 2: Convert to fraction form
    1,072,648.80/1,609,564.20 = 652,219.92/x
  3. Step 3: Cross multiply
    1,072,648.80x = 1,609,564.20 × 652,219.92
  4. Step 4: Simplify right side
    1,072,648.80x = 1,049,789,833,758.86
  5. Step 5: Solve for x
    x = 1,049,789,833,758.86/1,072,648.80
  6. Step 6: Final answer
    x = 978,689.24

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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.