Home / 1,351,170-1,864,638.36-739,376.28

Finding the Fourth Proportional to 1,351,170, 1,864,638.36 and 739,376.28

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Solution

The fourth proportional to 1,351,170, 1,864,638.36 and 739,376.28 is: 1,020,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,170 : 1,864,638.36 = 739,376.28 : x
  2. Step 2: Convert to fraction form
    1,351,170/1,864,638.36 = 739,376.28/x
  3. Step 3: Cross multiply
    1,351,170x = 1,864,638.36 × 739,376.28
  4. Step 4: Simplify right side
    1,351,170x = 1,378,669,374,162.10
  5. Step 5: Solve for x
    x = 1,378,669,374,162.10/1,351,170
  6. Step 6: Final answer
    x = 1,020,352.27

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Double scale
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Similar ratio
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1.5x scale

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.