Home / 1,006,648.32-1,389,121.92-553,852.80

Finding the Fourth Proportional to 1,006,648.32, 1,389,121.92 and 553,852.80

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Solution

The fourth proportional to 1,006,648.32, 1,389,121.92 and 553,852.80 is: 764,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,648.32 : 1,389,121.92 = 553,852.80 : x
  2. Step 2: Convert to fraction form
    1,006,648.32/1,389,121.92 = 553,852.80/x
  3. Step 3: Cross multiply
    1,006,648.32x = 1,389,121.92 × 553,852.80
  4. Step 4: Simplify right side
    1,006,648.32x = 769,369,064,933.38
  5. Step 5: Solve for x
    x = 769,369,064,933.38/1,006,648.32
  6. Step 6: Final answer
    x = 764,287.83

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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.