Home / 1,432,486.53-1,976,832.36-787,955.76

Finding the Fourth Proportional to 1,432,486.53, 1,976,832.36 and 787,955.76

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Solution

The fourth proportional to 1,432,486.53, 1,976,832.36 and 787,955.76 is: 1,087,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,486.53 : 1,976,832.36 = 787,955.76 : x
  2. Step 2: Convert to fraction form
    1,432,486.53/1,976,832.36 = 787,955.76/x
  3. Step 3: Cross multiply
    1,432,486.53x = 1,976,832.36 × 787,955.76
  4. Step 4: Simplify right side
    1,432,486.53x = 1,557,656,444,616.39
  5. Step 5: Solve for x
    x = 1,557,656,444,616.39/1,432,486.53
  6. Step 6: Final answer
    x = 1,087,379.47

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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.