Home / 1,035,170.46-1,428,600.50-627,307.98

Finding the Fourth Proportional to 1,035,170.46, 1,428,600.50 and 627,307.98

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Solution

The fourth proportional to 1,035,170.46, 1,428,600.50 and 627,307.98 is: 865,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,170.46 : 1,428,600.50 = 627,307.98 : x
  2. Step 2: Convert to fraction form
    1,035,170.46/1,428,600.50 = 627,307.98/x
  3. Step 3: Cross multiply
    1,035,170.46x = 1,428,600.50 × 627,307.98
  4. Step 4: Simplify right side
    1,035,170.46x = 896,172,490,745.45
  5. Step 5: Solve for x
    x = 896,172,490,745.45/1,035,170.46
  6. Step 6: Final answer
    x = 865,724.56

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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.