Home / 1,432,592.79-1,976,936.38-788,012.83

Finding the Fourth Proportional to 1,432,592.79, 1,976,936.38 and 788,012.83

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Solution

The fourth proportional to 1,432,592.79, 1,976,936.38 and 788,012.83 is: 1,087,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,592.79 : 1,976,936.38 = 788,012.83 : x
  2. Step 2: Convert to fraction form
    1,432,592.79/1,976,936.38 = 788,012.83/x
  3. Step 3: Cross multiply
    1,432,592.79x = 1,976,936.38 × 788,012.83
  4. Step 4: Simplify right side
    1,432,592.79x = 1,557,851,231,533.76
  5. Step 5: Solve for x
    x = 1,557,851,231,533.76/1,432,592.79
  6. Step 6: Final answer
    x = 1,087,434.78

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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.