Home / 926,979.72-1,279,361.60-669,689.08

Finding the Fourth Proportional to 926,979.72, 1,279,361.60 and 669,689.08

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Solution

The fourth proportional to 926,979.72, 1,279,361.60 and 669,689.08 is: 924,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,979.72 : 1,279,361.60 = 669,689.08 : x
  2. Step 2: Convert to fraction form
    926,979.72/1,279,361.60 = 669,689.08/x
  3. Step 3: Cross multiply
    926,979.72x = 1,279,361.60 × 669,689.08
  4. Step 4: Simplify right side
    926,979.72x = 856,774,492,891.33
  5. Step 5: Solve for x
    x = 856,774,492,891.33/926,979.72
  6. Step 6: Final answer
    x = 924,264.55

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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.