Home / 1,375,693.84-1,898,430.88-763,814.96

Finding the Fourth Proportional to 1,375,693.84, 1,898,430.88 and 763,814.96

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Solution

The fourth proportional to 1,375,693.84, 1,898,430.88 and 763,814.96 is: 1,054,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,693.84 : 1,898,430.88 = 763,814.96 : x
  2. Step 2: Convert to fraction form
    1,375,693.84/1,898,430.88 = 763,814.96/x
  3. Step 3: Cross multiply
    1,375,693.84x = 1,898,430.88 × 763,814.96
  4. Step 4: Simplify right side
    1,375,693.84x = 1,450,049,906,669.96
  5. Step 5: Solve for x
    x = 1,450,049,906,669.96/1,375,693.84
  6. Step 6: Final answer
    x = 1,054,049.87

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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.