Home / 1,405,942.29-1,940,202.18-761,363.46

Finding the Fourth Proportional to 1,405,942.29, 1,940,202.18 and 761,363.46

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Solution

The fourth proportional to 1,405,942.29, 1,940,202.18 and 761,363.46 is: 1,050,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,942.29 : 1,940,202.18 = 761,363.46 : x
  2. Step 2: Convert to fraction form
    1,405,942.29/1,940,202.18 = 761,363.46/x
  3. Step 3: Cross multiply
    1,405,942.29x = 1,940,202.18 × 761,363.46
  4. Step 4: Simplify right side
    1,405,942.29x = 1,477,199,044,864.34
  5. Step 5: Solve for x
    x = 1,477,199,044,864.34/1,405,942.29
  6. Step 6: Final answer
    x = 1,050,682.56

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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.