Home / 1,102,396.32-1,521,473.28-672,926.40

Finding the Fourth Proportional to 1,102,396.32, 1,521,473.28 and 672,926.40

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Solution

The fourth proportional to 1,102,396.32, 1,521,473.28 and 672,926.40 is: 928,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,396.32 : 1,521,473.28 = 672,926.40 : x
  2. Step 2: Convert to fraction form
    1,102,396.32/1,521,473.28 = 672,926.40/x
  3. Step 3: Cross multiply
    1,102,396.32x = 1,521,473.28 × 672,926.40
  4. Step 4: Simplify right side
    1,102,396.32x = 1,023,839,537,006.59
  5. Step 5: Solve for x
    x = 1,023,839,537,006.59/1,102,396.32
  6. Step 6: Final answer
    x = 928,739.98

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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.