Home / 1,653,468.90-2,281,610.79-928,396.32

Finding the Fourth Proportional to 1,653,468.90, 2,281,610.79 and 928,396.32

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Solution

The fourth proportional to 1,653,468.90, 2,281,610.79 and 928,396.32 is: 1,281,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,468.90 : 2,281,610.79 = 928,396.32 : x
  2. Step 2: Convert to fraction form
    1,653,468.90/2,281,610.79 = 928,396.32/x
  3. Step 3: Cross multiply
    1,653,468.90x = 2,281,610.79 × 928,396.32
  4. Step 4: Simplify right side
    1,653,468.90x = 2,118,239,061,108.29
  5. Step 5: Solve for x
    x = 2,118,239,061,108.29/1,653,468.90
  6. Step 6: Final answer
    x = 1,281,087.94

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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.