Home / 1,138,375.84-1,571,019.12-655,014.40

Finding the Fourth Proportional to 1,138,375.84, 1,571,019.12 and 655,014.40

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Solution

The fourth proportional to 1,138,375.84, 1,571,019.12 and 655,014.40 is: 903,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,375.84 : 1,571,019.12 = 655,014.40 : x
  2. Step 2: Convert to fraction form
    1,138,375.84/1,571,019.12 = 655,014.40/x
  3. Step 3: Cross multiply
    1,138,375.84x = 1,571,019.12 × 655,014.40
  4. Step 4: Simplify right side
    1,138,375.84x = 1,029,040,146,275.33
  5. Step 5: Solve for x
    x = 1,029,040,146,275.33/1,138,375.84
  6. Step 6: Final answer
    x = 903,954.66

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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.