Home / 932,740.80-1,399,111.20-858,091.20

Finding the Fourth Proportional to 932,740.80, 1,399,111.20 and 858,091.20

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Solution

The fourth proportional to 932,740.80, 1,399,111.20 and 858,091.20 is: 1,287,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,740.80 : 1,399,111.20 = 858,091.20 : x
  2. Step 2: Convert to fraction form
    932,740.80/1,399,111.20 = 858,091.20/x
  3. Step 3: Cross multiply
    932,740.80x = 1,399,111.20 × 858,091.20
  4. Step 4: Simplify right side
    932,740.80x = 1,200,565,008,541.44
  5. Step 5: Solve for x
    x = 1,200,565,008,541.44/932,740.80
  6. Step 6: Final answer
    x = 1,287,136.80

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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.