Home / 1,565,273.70-2,348,247.78-485,765.10

Finding the Fourth Proportional to 1,565,273.70, 2,348,247.78 and 485,765.10

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Solution

The fourth proportional to 1,565,273.70, 2,348,247.78 and 485,765.10 is: 728,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,273.70 : 2,348,247.78 = 485,765.10 : x
  2. Step 2: Convert to fraction form
    1,565,273.70/2,348,247.78 = 485,765.10/x
  3. Step 3: Cross multiply
    1,565,273.70x = 2,348,247.78 × 485,765.10
  4. Step 4: Simplify right side
    1,565,273.70x = 1,140,696,817,676.48
  5. Step 5: Solve for x
    x = 1,140,696,817,676.48/1,565,273.70
  6. Step 6: Final answer
    x = 728,752.31

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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.