Home / 1,280,888.39-1,921,647.96-902,548.05

Finding the Fourth Proportional to 1,280,888.39, 1,921,647.96 and 902,548.05

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Solution

The fourth proportional to 1,280,888.39, 1,921,647.96 and 902,548.05 is: 1,354,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,888.39 : 1,921,647.96 = 902,548.05 : x
  2. Step 2: Convert to fraction form
    1,280,888.39/1,921,647.96 = 902,548.05/x
  3. Step 3: Cross multiply
    1,280,888.39x = 1,921,647.96 × 902,548.05
  4. Step 4: Simplify right side
    1,280,888.39x = 1,734,379,619,084.48
  5. Step 5: Solve for x
    x = 1,734,379,619,084.48/1,280,888.39
  6. Step 6: Final answer
    x = 1,354,044.30

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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.