Home / 1,258,875.46-1,889,959.38-747,474.40

Finding the Fourth Proportional to 1,258,875.46, 1,889,959.38 and 747,474.40

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Solution

The fourth proportional to 1,258,875.46, 1,889,959.38 and 747,474.40 is: 1,122,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,875.46 : 1,889,959.38 = 747,474.40 : x
  2. Step 2: Convert to fraction form
    1,258,875.46/1,889,959.38 = 747,474.40/x
  3. Step 3: Cross multiply
    1,258,875.46x = 1,889,959.38 × 747,474.40
  4. Step 4: Simplify right side
    1,258,875.46x = 1,412,696,253,589.87
  5. Step 5: Solve for x
    x = 1,412,696,253,589.87/1,258,875.46
  6. Step 6: Final answer
    x = 1,122,189.05

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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.