Home / 1,295,061.40-1,942,592.10-725,858.20

Finding the Fourth Proportional to 1,295,061.40, 1,942,592.10 and 725,858.20

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Solution

The fourth proportional to 1,295,061.40, 1,942,592.10 and 725,858.20 is: 1,088,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,061.40 : 1,942,592.10 = 725,858.20 : x
  2. Step 2: Convert to fraction form
    1,295,061.40/1,942,592.10 = 725,858.20/x
  3. Step 3: Cross multiply
    1,295,061.40x = 1,942,592.10 × 725,858.20
  4. Step 4: Simplify right side
    1,295,061.40x = 1,410,046,405,040.22
  5. Step 5: Solve for x
    x = 1,410,046,405,040.22/1,295,061.40
  6. Step 6: Final answer
    x = 1,088,787.30

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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.