Home / 1,102,352.08-1,521,412.32-672,882.16

Finding the Fourth Proportional to 1,102,352.08, 1,521,412.32 and 672,882.16

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Solution

The fourth proportional to 1,102,352.08, 1,521,412.32 and 672,882.16 is: 928,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,352.08 : 1,521,412.32 = 672,882.16 : x
  2. Step 2: Convert to fraction form
    1,102,352.08/1,521,412.32 = 672,882.16/x
  3. Step 3: Cross multiply
    1,102,352.08x = 1,521,412.32 × 672,882.16
  4. Step 4: Simplify right side
    1,102,352.08x = 1,023,731,208,132.21
  5. Step 5: Solve for x
    x = 1,023,731,208,132.21/1,102,352.08
  6. Step 6: Final answer
    x = 928,678.98

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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.