Home / 1,560,515.40-2,340,773.10-438,438.60

Finding the Fourth Proportional to 1,560,515.40, 2,340,773.10 and 438,438.60

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Solution

The fourth proportional to 1,560,515.40, 2,340,773.10 and 438,438.60 is: 657,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,515.40 : 2,340,773.10 = 438,438.60 : x
  2. Step 2: Convert to fraction form
    1,560,515.40/2,340,773.10 = 438,438.60/x
  3. Step 3: Cross multiply
    1,560,515.40x = 2,340,773.10 × 438,438.60
  4. Step 4: Simplify right side
    1,560,515.40x = 1,026,285,280,881.66
  5. Step 5: Solve for x
    x = 1,026,285,280,881.66/1,560,515.40
  6. Step 6: Final answer
    x = 657,657.90

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Double scale
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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.