Home / 1,680,696.32-2,521,681.45-1,007,260.94

Finding the Fourth Proportional to 1,680,696.32, 2,521,681.45 and 1,007,260.94

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Solution

The fourth proportional to 1,680,696.32, 2,521,681.45 and 1,007,260.94 is: 1,511,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,696.32 : 2,521,681.45 = 1,007,260.94 : x
  2. Step 2: Convert to fraction form
    1,680,696.32/2,521,681.45 = 1,007,260.94/x
  3. Step 3: Cross multiply
    1,680,696.32x = 2,521,681.45 × 1,007,260.94
  4. Step 4: Simplify right side
    1,680,696.32x = 2,539,991,231,493.61
  5. Step 5: Solve for x
    x = 2,539,991,231,493.61/1,680,696.32
  6. Step 6: Final answer
    x = 1,511,273.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.