Home / 1,376,200.56-1,899,143.64-772,584.24

Finding the Fourth Proportional to 1,376,200.56, 1,899,143.64 and 772,584.24

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Solution

The fourth proportional to 1,376,200.56, 1,899,143.64 and 772,584.24 is: 1,066,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,200.56 : 1,899,143.64 = 772,584.24 : x
  2. Step 2: Convert to fraction form
    1,376,200.56/1,899,143.64 = 772,584.24/x
  3. Step 3: Cross multiply
    1,376,200.56x = 1,899,143.64 × 772,584.24
  4. Step 4: Simplify right side
    1,376,200.56x = 1,467,248,445,760.23
  5. Step 5: Solve for x
    x = 1,467,248,445,760.23/1,376,200.56
  6. Step 6: Final answer
    x = 1,066,158.88

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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.