Home / 912,229.60-1,368,344.40-874,904.80

Finding the Fourth Proportional to 912,229.60, 1,368,344.40 and 874,904.80

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Solution

The fourth proportional to 912,229.60, 1,368,344.40 and 874,904.80 is: 1,312,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,229.60 : 1,368,344.40 = 874,904.80 : x
  2. Step 2: Convert to fraction form
    912,229.60/1,368,344.40 = 874,904.80/x
  3. Step 3: Cross multiply
    912,229.60x = 1,368,344.40 × 874,904.80
  4. Step 4: Simplify right side
    912,229.60x = 1,197,171,083,613.12
  5. Step 5: Solve for x
    x = 1,197,171,083,613.12/912,229.60
  6. Step 6: Final answer
    x = 1,312,357.20

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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.