Home / 1,094,890.80-1,641,218.40-739,940.70

Finding the Fourth Proportional to 1,094,890.80, 1,641,218.40 and 739,940.70

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Solution

The fourth proportional to 1,094,890.80, 1,641,218.40 and 739,940.70 is: 1,109,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,890.80 : 1,641,218.40 = 739,940.70 : x
  2. Step 2: Convert to fraction form
    1,094,890.80/1,641,218.40 = 739,940.70/x
  3. Step 3: Cross multiply
    1,094,890.80x = 1,641,218.40 × 739,940.70
  4. Step 4: Simplify right side
    1,094,890.80x = 1,214,404,291,748.88
  5. Step 5: Solve for x
    x = 1,214,404,291,748.88/1,094,890.80
  6. Step 6: Final answer
    x = 1,109,155.63

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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.