Home / 1,012,871.88-1,397,706.66-553,895.88

Finding the Fourth Proportional to 1,012,871.88, 1,397,706.66 and 553,895.88

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Solution

The fourth proportional to 1,012,871.88, 1,397,706.66 and 553,895.88 is: 764,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,871.88 : 1,397,706.66 = 553,895.88 : x
  2. Step 2: Convert to fraction form
    1,012,871.88/1,397,706.66 = 553,895.88/x
  3. Step 3: Cross multiply
    1,012,871.88x = 1,397,706.66 × 553,895.88
  4. Step 4: Simplify right side
    1,012,871.88x = 774,183,960,422.56
  5. Step 5: Solve for x
    x = 774,183,960,422.56/1,012,871.88
  6. Step 6: Final answer
    x = 764,345.40

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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.