Home / 1,331,365.95-1,995,736.73-656,895.15

Finding the Fourth Proportional to 1,331,365.95, 1,995,736.73 and 656,895.15

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Solution

The fourth proportional to 1,331,365.95, 1,995,736.73 and 656,895.15 is: 984,695.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,365.95 : 1,995,736.73 = 656,895.15 : x
  2. Step 2: Convert to fraction form
    1,331,365.95/1,995,736.73 = 656,895.15/x
  3. Step 3: Cross multiply
    1,331,365.95x = 1,995,736.73 × 656,895.15
  4. Step 4: Simplify right side
    1,331,365.95x = 1,310,989,775,329.38
  5. Step 5: Solve for x
    x = 1,310,989,775,329.38/1,331,365.95
  6. Step 6: Final answer
    x = 984,695.29

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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.