Home / 1,144,391.94-1,578,767.49-691,420.50

Finding the Fourth Proportional to 1,144,391.94, 1,578,767.49 and 691,420.50

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Solution

The fourth proportional to 1,144,391.94, 1,578,767.49 and 691,420.50 is: 953,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,391.94 : 1,578,767.49 = 691,420.50 : x
  2. Step 2: Convert to fraction form
    1,144,391.94/1,578,767.49 = 691,420.50/x
  3. Step 3: Cross multiply
    1,144,391.94x = 1,578,767.49 × 691,420.50
  4. Step 4: Simplify right side
    1,144,391.94x = 1,091,592,207,319.55
  5. Step 5: Solve for x
    x = 1,091,592,207,319.55/1,144,391.94
  6. Step 6: Final answer
    x = 953,862.19

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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.