Home / 1,289,251.56-1,933,877.22-402,787.56

Finding the Fourth Proportional to 1,289,251.56, 1,933,877.22 and 402,787.56

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Solution

The fourth proportional to 1,289,251.56, 1,933,877.22 and 402,787.56 is: 604,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,251.56 : 1,933,877.22 = 402,787.56 : x
  2. Step 2: Convert to fraction form
    1,289,251.56/1,933,877.22 = 402,787.56/x
  3. Step 3: Cross multiply
    1,289,251.56x = 1,933,877.22 × 402,787.56
  4. Step 4: Simplify right side
    1,289,251.56x = 778,941,686,783.38
  5. Step 5: Solve for x
    x = 778,941,686,783.38/1,289,251.56
  6. Step 6: Final answer
    x = 604,181.30

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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.