Home / 1,375,609.14-1,898,399.90-763,761.93

Finding the Fourth Proportional to 1,375,609.14, 1,898,399.90 and 763,761.93

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Solution

The fourth proportional to 1,375,609.14, 1,898,399.90 and 763,761.93 is: 1,054,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,609.14 : 1,898,399.90 = 763,761.93 : x
  2. Step 2: Convert to fraction form
    1,375,609.14/1,898,399.90 = 763,761.93/x
  3. Step 3: Cross multiply
    1,375,609.14x = 1,898,399.90 × 763,761.93
  4. Step 4: Simplify right side
    1,375,609.14x = 1,449,925,571,535.81
  5. Step 5: Solve for x
    x = 1,449,925,571,535.81/1,375,609.14
  6. Step 6: Final answer
    x = 1,054,024.38

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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.