Home / 851,963.60-1,280,569.80-804,724.40

Finding the Fourth Proportional to 851,963.60, 1,280,569.80 and 804,724.40

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Solution

The fourth proportional to 851,963.60, 1,280,569.80 and 804,724.40 is: 1,209,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,963.60 : 1,280,569.80 = 804,724.40 : x
  2. Step 2: Convert to fraction form
    851,963.60/1,280,569.80 = 804,724.40/x
  3. Step 3: Cross multiply
    851,963.60x = 1,280,569.80 × 804,724.40
  4. Step 4: Simplify right side
    851,963.60x = 1,030,505,763,963.12
  5. Step 5: Solve for x
    x = 1,030,505,763,963.12/851,963.60
  6. Step 6: Final answer
    x = 1,209,565.48

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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.