Home / 1,858,695.32-2,788,001.98-764,249.45

Finding the Fourth Proportional to 1,858,695.32, 2,788,001.98 and 764,249.45

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Solution

The fourth proportional to 1,858,695.32, 2,788,001.98 and 764,249.45 is: 1,146,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,695.32 : 2,788,001.98 = 764,249.45 : x
  2. Step 2: Convert to fraction form
    1,858,695.32/2,788,001.98 = 764,249.45/x
  3. Step 3: Cross multiply
    1,858,695.32x = 2,788,001.98 × 764,249.45
  4. Step 4: Simplify right side
    1,858,695.32x = 2,130,728,963,963.28
  5. Step 5: Solve for x
    x = 2,130,728,963,963.28/1,858,695.32
  6. Step 6: Final answer
    x = 1,146,357.31

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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.