Home / 1,376,052.47-1,898,977.86-764,261.90

Finding the Fourth Proportional to 1,376,052.47, 1,898,977.86 and 764,261.90

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Solution

The fourth proportional to 1,376,052.47, 1,898,977.86 and 764,261.90 is: 1,054,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,052.47 : 1,898,977.86 = 764,261.90 : x
  2. Step 2: Convert to fraction form
    1,376,052.47/1,898,977.86 = 764,261.90/x
  3. Step 3: Cross multiply
    1,376,052.47x = 1,898,977.86 × 764,261.90
  4. Step 4: Simplify right side
    1,376,052.47x = 1,451,316,417,846.64
  5. Step 5: Solve for x
    x = 1,451,316,417,846.64/1,376,052.47
  6. Step 6: Final answer
    x = 1,054,695.55

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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.