Home / 1,006,562-1,389,065.28-553,862.72

Finding the Fourth Proportional to 1,006,562, 1,389,065.28 and 553,862.72

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Solution

The fourth proportional to 1,006,562, 1,389,065.28 and 553,862.72 is: 764,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,562 : 1,389,065.28 = 553,862.72 : x
  2. Step 2: Convert to fraction form
    1,006,562/1,389,065.28 = 553,862.72/x
  3. Step 3: Cross multiply
    1,006,562x = 1,389,065.28 × 553,862.72
  4. Step 4: Simplify right side
    1,006,562x = 769,351,474,238.36
  5. Step 5: Solve for x
    x = 769,351,474,238.36/1,006,562
  6. Step 6: Final answer
    x = 764,335.90

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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.