Home / 1,012,827.80-1,397,650.55-553,853.16

Finding the Fourth Proportional to 1,012,827.80, 1,397,650.55 and 553,853.16

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Solution

The fourth proportional to 1,012,827.80, 1,397,650.55 and 553,853.16 is: 764,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,827.80 : 1,397,650.55 = 553,853.16 : x
  2. Step 2: Convert to fraction form
    1,012,827.80/1,397,650.55 = 553,853.16/x
  3. Step 3: Cross multiply
    1,012,827.80x = 1,397,650.55 × 553,853.16
  4. Step 4: Simplify right side
    1,012,827.80x = 774,093,170,923.97
  5. Step 5: Solve for x
    x = 774,093,170,923.97/1,012,827.80
  6. Step 6: Final answer
    x = 764,289.02

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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.