Home / 1,245,554.40-1,868,331.60-747,890.40

Finding the Fourth Proportional to 1,245,554.40, 1,868,331.60 and 747,890.40

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Solution

The fourth proportional to 1,245,554.40, 1,868,331.60 and 747,890.40 is: 1,121,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,554.40 : 1,868,331.60 = 747,890.40 : x
  2. Step 2: Convert to fraction form
    1,245,554.40/1,868,331.60 = 747,890.40/x
  3. Step 3: Cross multiply
    1,245,554.40x = 1,868,331.60 × 747,890.40
  4. Step 4: Simplify right side
    1,245,554.40x = 1,397,307,267,656.64
  5. Step 5: Solve for x
    x = 1,397,307,267,656.64/1,245,554.40
  6. Step 6: Final answer
    x = 1,121,835.60

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Similar ratio
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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.