Home / 790,624.72-1,186,409.48-726,306.96

Finding the Fourth Proportional to 790,624.72, 1,186,409.48 and 726,306.96

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Solution

The fourth proportional to 790,624.72, 1,186,409.48 and 726,306.96 is: 1,089,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,624.72 : 1,186,409.48 = 726,306.96 : x
  2. Step 2: Convert to fraction form
    790,624.72/1,186,409.48 = 726,306.96/x
  3. Step 3: Cross multiply
    790,624.72x = 1,186,409.48 × 726,306.96
  4. Step 4: Simplify right side
    790,624.72x = 861,697,462,733.98
  5. Step 5: Solve for x
    x = 861,697,462,733.98/790,624.72
  6. Step 6: Final answer
    x = 1,089,894.41

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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.