Home / 851,979.60-1,280,593.80-804,740.40

Finding the Fourth Proportional to 851,979.60, 1,280,593.80 and 804,740.40

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Solution

The fourth proportional to 851,979.60, 1,280,593.80 and 804,740.40 is: 1,209,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,979.60 : 1,280,593.80 = 804,740.40 : x
  2. Step 2: Convert to fraction form
    851,979.60/1,280,593.80 = 804,740.40/x
  3. Step 3: Cross multiply
    851,979.60x = 1,280,593.80 × 804,740.40
  4. Step 4: Simplify right side
    851,979.60x = 1,030,545,566,849.52
  5. Step 5: Solve for x
    x = 1,030,545,566,849.52/851,979.60
  6. Step 6: Final answer
    x = 1,209,589.49

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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.