Home / 1,138,718.12-1,571,587.26-655,273.40

Finding the Fourth Proportional to 1,138,718.12, 1,571,587.26 and 655,273.40

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Solution

The fourth proportional to 1,138,718.12, 1,571,587.26 and 655,273.40 is: 904,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,718.12 : 1,571,587.26 = 655,273.40 : x
  2. Step 2: Convert to fraction form
    1,138,718.12/1,571,587.26 = 655,273.40/x
  3. Step 3: Cross multiply
    1,138,718.12x = 1,571,587.26 × 655,273.40
  4. Step 4: Simplify right side
    1,138,718.12x = 1,029,819,327,256.88
  5. Step 5: Solve for x
    x = 1,029,819,327,256.88/1,138,718.12
  6. Step 6: Final answer
    x = 904,367.21

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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.