Home / 912,004.40-1,368,006.60-807,028.40

Finding the Fourth Proportional to 912,004.40, 1,368,006.60 and 807,028.40

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Solution

The fourth proportional to 912,004.40, 1,368,006.60 and 807,028.40 is: 1,210,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,004.40 : 1,368,006.60 = 807,028.40 : x
  2. Step 2: Convert to fraction form
    912,004.40/1,368,006.60 = 807,028.40/x
  3. Step 3: Cross multiply
    912,004.40x = 1,368,006.60 × 807,028.40
  4. Step 4: Simplify right side
    912,004.40x = 1,104,020,177,587.44
  5. Step 5: Solve for x
    x = 1,104,020,177,587.44/912,004.40
  6. Step 6: Final answer
    x = 1,210,542.60

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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.