Home / 1,012,870.88-1,397,705.28-553,894.88

Finding the Fourth Proportional to 1,012,870.88, 1,397,705.28 and 553,894.88

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Solution

The fourth proportional to 1,012,870.88, 1,397,705.28 and 553,894.88 is: 764,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,870.88 : 1,397,705.28 = 553,894.88 : x
  2. Step 2: Convert to fraction form
    1,012,870.88/1,397,705.28 = 553,894.88/x
  3. Step 3: Cross multiply
    1,012,870.88x = 1,397,705.28 × 553,894.88
  4. Step 4: Simplify right side
    1,012,870.88x = 774,181,798,340.97
  5. Step 5: Solve for x
    x = 774,181,798,340.97/1,012,870.88
  6. Step 6: Final answer
    x = 764,344.02

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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.