Home / 1,279,881.65-1,919,472.55-481,101.77

Finding the Fourth Proportional to 1,279,881.65, 1,919,472.55 and 481,101.77

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Solution

The fourth proportional to 1,279,881.65, 1,919,472.55 and 481,101.77 is: 721,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,881.65 : 1,919,472.55 = 481,101.77 : x
  2. Step 2: Convert to fraction form
    1,279,881.65/1,919,472.55 = 481,101.77/x
  3. Step 3: Cross multiply
    1,279,881.65x = 1,919,472.55 × 481,101.77
  4. Step 4: Simplify right side
    1,279,881.65x = 923,461,641,271.41
  5. Step 5: Solve for x
    x = 923,461,641,271.41/1,279,881.65
  6. Step 6: Final answer
    x = 721,521.12

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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.