Home / 1,092,269.60-1,641,903.60-778,896.80

Finding the Fourth Proportional to 1,092,269.60, 1,641,903.60 and 778,896.80

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Solution

The fourth proportional to 1,092,269.60, 1,641,903.60 and 778,896.80 is: 1,170,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,269.60 : 1,641,903.60 = 778,896.80 : x
  2. Step 2: Convert to fraction form
    1,092,269.60/1,641,903.60 = 778,896.80/x
  3. Step 3: Cross multiply
    1,092,269.60x = 1,641,903.60 × 778,896.80
  4. Step 4: Simplify right side
    1,092,269.60x = 1,278,873,459,948.48
  5. Step 5: Solve for x
    x = 1,278,873,459,948.48/1,092,269.60
  6. Step 6: Final answer
    x = 1,170,840.48

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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.