Home / 1,092,251.60-1,641,876.60-778,878.80

Finding the Fourth Proportional to 1,092,251.60, 1,641,876.60 and 778,878.80

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Solution

The fourth proportional to 1,092,251.60, 1,641,876.60 and 778,878.80 is: 1,170,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,251.60 : 1,641,876.60 = 778,878.80 : x
  2. Step 2: Convert to fraction form
    1,092,251.60/1,641,876.60 = 778,878.80/x
  3. Step 3: Cross multiply
    1,092,251.60x = 1,641,876.60 × 778,878.80
  4. Step 4: Simplify right side
    1,092,251.60x = 1,278,822,875,956.08
  5. Step 5: Solve for x
    x = 1,278,822,875,956.08/1,092,251.60
  6. Step 6: Final answer
    x = 1,170,813.46

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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.