Home / 920,965.68-1,270,446.12-633,989.16

Finding the Fourth Proportional to 920,965.68, 1,270,446.12 and 633,989.16

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Solution

The fourth proportional to 920,965.68, 1,270,446.12 and 633,989.16 is: 874,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,965.68 : 1,270,446.12 = 633,989.16 : x
  2. Step 2: Convert to fraction form
    920,965.68/1,270,446.12 = 633,989.16/x
  3. Step 3: Cross multiply
    920,965.68x = 1,270,446.12 × 633,989.16
  4. Step 4: Simplify right side
    920,965.68x = 805,449,068,444.06
  5. Step 5: Solve for x
    x = 805,449,068,444.06/920,965.68
  6. Step 6: Final answer
    x = 874,570.12

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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.