Home / 1,432,513.87-1,976,827.46-787,933.89

Finding the Fourth Proportional to 1,432,513.87, 1,976,827.46 and 787,933.89

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Solution

The fourth proportional to 1,432,513.87, 1,976,827.46 and 787,933.89 is: 1,087,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,513.87 : 1,976,827.46 = 787,933.89 : x
  2. Step 2: Convert to fraction form
    1,432,513.87/1,976,827.46 = 787,933.89/x
  3. Step 3: Cross multiply
    1,432,513.87x = 1,976,827.46 × 787,933.89
  4. Step 4: Simplify right side
    1,432,513.87x = 1,557,609,346,476.95
  5. Step 5: Solve for x
    x = 1,557,609,346,476.95/1,432,513.87
  6. Step 6: Final answer
    x = 1,087,325.84

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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.