Home / 1,331,554.95-1,837,309.64-787,713.66

Finding the Fourth Proportional to 1,331,554.95, 1,837,309.64 and 787,713.66

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Solution

The fourth proportional to 1,331,554.95, 1,837,309.64 and 787,713.66 is: 1,086,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,554.95 : 1,837,309.64 = 787,713.66 : x
  2. Step 2: Convert to fraction form
    1,331,554.95/1,837,309.64 = 787,713.66/x
  3. Step 3: Cross multiply
    1,331,554.95x = 1,837,309.64 × 787,713.66
  4. Step 4: Simplify right side
    1,331,554.95x = 1,447,273,897,139.11
  5. Step 5: Solve for x
    x = 1,447,273,897,139.11/1,331,554.95
  6. Step 6: Final answer
    x = 1,086,905.12

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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.