Home / 1,425,240.24-1,966,343.40-812,952.96

Finding the Fourth Proportional to 1,425,240.24, 1,966,343.40 and 812,952.96

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Solution

The fourth proportional to 1,425,240.24, 1,966,343.40 and 812,952.96 is: 1,121,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,240.24 : 1,966,343.40 = 812,952.96 : x
  2. Step 2: Convert to fraction form
    1,425,240.24/1,966,343.40 = 812,952.96/x
  3. Step 3: Cross multiply
    1,425,240.24x = 1,966,343.40 × 812,952.96
  4. Step 4: Simplify right side
    1,425,240.24x = 1,598,544,687,406.46
  5. Step 5: Solve for x
    x = 1,598,544,687,406.46/1,425,240.24
  6. Step 6: Final answer
    x = 1,121,596.66

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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.