Home / 1,223,776.08-1,689,052.52-781,968.06

Finding the Fourth Proportional to 1,223,776.08, 1,689,052.52 and 781,968.06

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Solution

The fourth proportional to 1,223,776.08, 1,689,052.52 and 781,968.06 is: 1,079,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,776.08 : 1,689,052.52 = 781,968.06 : x
  2. Step 2: Convert to fraction form
    1,223,776.08/1,689,052.52 = 781,968.06/x
  3. Step 3: Cross multiply
    1,223,776.08x = 1,689,052.52 × 781,968.06
  4. Step 4: Simplify right side
    1,223,776.08x = 1,320,785,124,257.43
  5. Step 5: Solve for x
    x = 1,320,785,124,257.43/1,223,776.08
  6. Step 6: Final answer
    x = 1,079,270.26

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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.