Home / 1,285,427.28-1,773,902.60-712,480.08

Finding the Fourth Proportional to 1,285,427.28, 1,773,902.60 and 712,480.08

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Solution

The fourth proportional to 1,285,427.28, 1,773,902.60 and 712,480.08 is: 983,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,427.28 : 1,773,902.60 = 712,480.08 : x
  2. Step 2: Convert to fraction form
    1,285,427.28/1,773,902.60 = 712,480.08/x
  3. Step 3: Cross multiply
    1,285,427.28x = 1,773,902.60 × 712,480.08
  4. Step 4: Simplify right side
    1,285,427.28x = 1,263,870,266,360.21
  5. Step 5: Solve for x
    x = 1,263,870,266,360.21/1,285,427.28
  6. Step 6: Final answer
    x = 983,229.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.