Home / 1,389,244.56-1,915,319.70-1,001,735.70

Finding the Fourth Proportional to 1,389,244.56, 1,915,319.70 and 1,001,735.70

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Solution

The fourth proportional to 1,389,244.56, 1,915,319.70 and 1,001,735.70 is: 1,381,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,244.56 : 1,915,319.70 = 1,001,735.70 : x
  2. Step 2: Convert to fraction form
    1,389,244.56/1,915,319.70 = 1,001,735.70/x
  3. Step 3: Cross multiply
    1,389,244.56x = 1,915,319.70 × 1,001,735.70
  4. Step 4: Simplify right side
    1,389,244.56x = 1,918,644,120,403.29
  5. Step 5: Solve for x
    x = 1,918,644,120,403.29/1,389,244.56
  6. Step 6: Final answer
    x = 1,381,070.10

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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.