Home / 1,331,787.28-1,997,699.34-433,233.64

Finding the Fourth Proportional to 1,331,787.28, 1,997,699.34 and 433,233.64

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Solution

The fourth proportional to 1,331,787.28, 1,997,699.34 and 433,233.64 is: 649,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,787.28 : 1,997,699.34 = 433,233.64 : x
  2. Step 2: Convert to fraction form
    1,331,787.28/1,997,699.34 = 433,233.64/x
  3. Step 3: Cross multiply
    1,331,787.28x = 1,997,699.34 × 433,233.64
  4. Step 4: Simplify right side
    1,331,787.28x = 865,470,556,693.80
  5. Step 5: Solve for x
    x = 865,470,556,693.80/1,331,787.28
  6. Step 6: Final answer
    x = 649,856.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.