Home / 1,038,285-1,432,833.30-561,357

Finding the Fourth Proportional to 1,038,285, 1,432,833.30 and 561,357

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Solution

The fourth proportional to 1,038,285, 1,432,833.30 and 561,357 is: 774,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,285 : 1,432,833.30 = 561,357 : x
  2. Step 2: Convert to fraction form
    1,038,285/1,432,833.30 = 561,357/x
  3. Step 3: Cross multiply
    1,038,285x = 1,432,833.30 × 561,357
  4. Step 4: Simplify right side
    1,038,285x = 804,331,002,788.10
  5. Step 5: Solve for x
    x = 804,331,002,788.10/1,038,285
  6. Step 6: Final answer
    x = 774,672.66

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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.