Home / 1,540,505.40-2,310,758.10-699,084.60

Finding the Fourth Proportional to 1,540,505.40, 2,310,758.10 and 699,084.60

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Solution

The fourth proportional to 1,540,505.40, 2,310,758.10 and 699,084.60 is: 1,048,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,505.40 : 2,310,758.10 = 699,084.60 : x
  2. Step 2: Convert to fraction form
    1,540,505.40/2,310,758.10 = 699,084.60/x
  3. Step 3: Cross multiply
    1,540,505.40x = 2,310,758.10 × 699,084.60
  4. Step 4: Simplify right side
    1,540,505.40x = 1,615,415,402,035.26
  5. Step 5: Solve for x
    x = 1,615,415,402,035.26/1,540,505.40
  6. Step 6: Final answer
    x = 1,048,626.90

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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.