Home / 1,315,115.40-1,973,450.70-959,233.80

Finding the Fourth Proportional to 1,315,115.40, 1,973,450.70 and 959,233.80

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Solution

The fourth proportional to 1,315,115.40, 1,973,450.70 and 959,233.80 is: 1,439,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,115.40 : 1,973,450.70 = 959,233.80 : x
  2. Step 2: Convert to fraction form
    1,315,115.40/1,973,450.70 = 959,233.80/x
  3. Step 3: Cross multiply
    1,315,115.40x = 1,973,450.70 × 959,233.80
  4. Step 4: Simplify right side
    1,315,115.40x = 1,893,000,614,073.66
  5. Step 5: Solve for x
    x = 1,893,000,614,073.66/1,315,115.40
  6. Step 6: Final answer
    x = 1,439,417.87

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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.