Home / 1,102,438.32-1,521,531.24-672,968.40

Finding the Fourth Proportional to 1,102,438.32, 1,521,531.24 and 672,968.40

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Solution

The fourth proportional to 1,102,438.32, 1,521,531.24 and 672,968.40 is: 928,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,438.32 : 1,521,531.24 = 672,968.40 : x
  2. Step 2: Convert to fraction form
    1,102,438.32/1,521,531.24 = 672,968.40/x
  3. Step 3: Cross multiply
    1,102,438.32x = 1,521,531.24 × 672,968.40
  4. Step 4: Simplify right side
    1,102,438.32x = 1,023,942,444,132.82
  5. Step 5: Solve for x
    x = 1,023,942,444,132.82/1,102,438.32
  6. Step 6: Final answer
    x = 928,797.94

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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.