Home / 1,432,096.34-1,976,307.46-787,521.29

Finding the Fourth Proportional to 1,432,096.34, 1,976,307.46 and 787,521.29

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Solution

The fourth proportional to 1,432,096.34, 1,976,307.46 and 787,521.29 is: 1,086,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,096.34 : 1,976,307.46 = 787,521.29 : x
  2. Step 2: Convert to fraction form
    1,432,096.34/1,976,307.46 = 787,521.29/x
  3. Step 3: Cross multiply
    1,432,096.34x = 1,976,307.46 × 787,521.29
  4. Step 4: Simplify right side
    1,432,096.34x = 1,556,384,188,485.48
  5. Step 5: Solve for x
    x = 1,556,384,188,485.48/1,432,096.34
  6. Step 6: Final answer
    x = 1,086,787.36

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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.