Home / 1,376,576.61-1,899,700.61-772,986.21

Finding the Fourth Proportional to 1,376,576.61, 1,899,700.61 and 772,986.21

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Solution

The fourth proportional to 1,376,576.61, 1,899,700.61 and 772,986.21 is: 1,066,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,576.61 : 1,899,700.61 = 772,986.21 : x
  2. Step 2: Convert to fraction form
    1,376,576.61/1,899,700.61 = 772,986.21/x
  3. Step 3: Cross multiply
    1,376,576.61x = 1,899,700.61 × 772,986.21
  4. Step 4: Simplify right side
    1,376,576.61x = 1,468,442,370,793.66
  5. Step 5: Solve for x
    x = 1,468,442,370,793.66/1,376,576.61
  6. Step 6: Final answer
    x = 1,066,734.94

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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.