Home / 1,376,508.15-1,899,528.48-764,699.40

Finding the Fourth Proportional to 1,376,508.15, 1,899,528.48 and 764,699.40

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Solution

The fourth proportional to 1,376,508.15, 1,899,528.48 and 764,699.40 is: 1,055,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,508.15 : 1,899,528.48 = 764,699.40 : x
  2. Step 2: Convert to fraction form
    1,376,508.15/1,899,528.48 = 764,699.40/x
  3. Step 3: Cross multiply
    1,376,508.15x = 1,899,528.48 × 764,699.40
  4. Step 4: Simplify right side
    1,376,508.15x = 1,452,568,288,938.91
  5. Step 5: Solve for x
    x = 1,452,568,288,938.91/1,376,508.15
  6. Step 6: Final answer
    x = 1,055,255.86

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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.