Home / 1,272,568.05-1,908,752.85-739,749.24

Finding the Fourth Proportional to 1,272,568.05, 1,908,752.85 and 739,749.24

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Solution

The fourth proportional to 1,272,568.05, 1,908,752.85 and 739,749.24 is: 1,109,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,568.05 : 1,908,752.85 = 739,749.24 : x
  2. Step 2: Convert to fraction form
    1,272,568.05/1,908,752.85 = 739,749.24/x
  3. Step 3: Cross multiply
    1,272,568.05x = 1,908,752.85 × 739,749.24
  4. Step 4: Simplify right side
    1,272,568.05x = 1,411,998,470,135.33
  5. Step 5: Solve for x
    x = 1,411,998,470,135.33/1,272,568.05
  6. Step 6: Final answer
    x = 1,109,566.18

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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.