Home / 1,289,634.04-1,779,398.70-800,044

Finding the Fourth Proportional to 1,289,634.04, 1,779,398.70 and 800,044

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Solution

The fourth proportional to 1,289,634.04, 1,779,398.70 and 800,044 is: 1,103,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,634.04 : 1,779,398.70 = 800,044 : x
  2. Step 2: Convert to fraction form
    1,289,634.04/1,779,398.70 = 800,044/x
  3. Step 3: Cross multiply
    1,289,634.04x = 1,779,398.70 × 800,044
  4. Step 4: Simplify right side
    1,289,634.04x = 1,423,597,253,542.80
  5. Step 5: Solve for x
    x = 1,423,597,253,542.80/1,289,634.04
  6. Step 6: Final answer
    x = 1,103,876.92

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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.