Home / 1,440,354.19-2,160,992.82-1,008,521.46

Finding the Fourth Proportional to 1,440,354.19, 2,160,992.82 and 1,008,521.46

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Solution

The fourth proportional to 1,440,354.19, 2,160,992.82 and 1,008,521.46 is: 1,513,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,354.19 : 2,160,992.82 = 1,008,521.46 : x
  2. Step 2: Convert to fraction form
    1,440,354.19/2,160,992.82 = 1,008,521.46/x
  3. Step 3: Cross multiply
    1,440,354.19x = 2,160,992.82 × 1,008,521.46
  4. Step 4: Simplify right side
    1,440,354.19x = 2,179,407,633,875.92
  5. Step 5: Solve for x
    x = 2,179,407,633,875.92/1,440,354.19
  6. Step 6: Final answer
    x = 1,513,105.35

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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.