Home / 1,479,981.48-2,042,380.86-800,918.04

Finding the Fourth Proportional to 1,479,981.48, 2,042,380.86 and 800,918.04

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Solution

The fourth proportional to 1,479,981.48, 2,042,380.86 and 800,918.04 is: 1,105,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,981.48 : 2,042,380.86 = 800,918.04 : x
  2. Step 2: Convert to fraction form
    1,479,981.48/2,042,380.86 = 800,918.04/x
  3. Step 3: Cross multiply
    1,479,981.48x = 2,042,380.86 × 800,918.04
  4. Step 4: Simplify right side
    1,479,981.48x = 1,635,779,675,324.71
  5. Step 5: Solve for x
    x = 1,635,779,675,324.71/1,479,981.48
  6. Step 6: Final answer
    x = 1,105,270.37

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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.