Home / 1,431,095.31-1,974,958.88-786,538.35

Finding the Fourth Proportional to 1,431,095.31, 1,974,958.88 and 786,538.35

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Solution

The fourth proportional to 1,431,095.31, 1,974,958.88 and 786,538.35 is: 1,085,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,095.31 : 1,974,958.88 = 786,538.35 : x
  2. Step 2: Convert to fraction form
    1,431,095.31/1,974,958.88 = 786,538.35/x
  3. Step 3: Cross multiply
    1,431,095.31x = 1,974,958.88 × 786,538.35
  4. Step 4: Simplify right side
    1,431,095.31x = 1,553,380,894,860.36
  5. Step 5: Solve for x
    x = 1,553,380,894,860.36/1,431,095.31
  6. Step 6: Final answer
    x = 1,085,448.95

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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.