Home / 1,424,715.92-1,966,089.48-812,852.88

Finding the Fourth Proportional to 1,424,715.92, 1,966,089.48 and 812,852.88

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Solution

The fourth proportional to 1,424,715.92, 1,966,089.48 and 812,852.88 is: 1,121,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,715.92 : 1,966,089.48 = 812,852.88 : x
  2. Step 2: Convert to fraction form
    1,424,715.92/1,966,089.48 = 812,852.88/x
  3. Step 3: Cross multiply
    1,424,715.92x = 1,966,089.48 × 812,852.88
  4. Step 4: Simplify right side
    1,424,715.92x = 1,598,141,496,155.70
  5. Step 5: Solve for x
    x = 1,598,141,496,155.70/1,424,715.92
  6. Step 6: Final answer
    x = 1,121,726.43

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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.