Home / 1,382,248.08-2,079,696.60-821,702.16

Finding the Fourth Proportional to 1,382,248.08, 2,079,696.60 and 821,702.16

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Solution

The fourth proportional to 1,382,248.08, 2,079,696.60 and 821,702.16 is: 1,236,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,248.08 : 2,079,696.60 = 821,702.16 : x
  2. Step 2: Convert to fraction form
    1,382,248.08/2,079,696.60 = 821,702.16/x
  3. Step 3: Cross multiply
    1,382,248.08x = 2,079,696.60 × 821,702.16
  4. Step 4: Simplify right side
    1,382,248.08x = 1,708,891,188,364.66
  5. Step 5: Solve for x
    x = 1,708,891,188,364.66/1,382,248.08
  6. Step 6: Final answer
    x = 1,236,312.94

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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.