Home / 817,580.82-1,127,624.85-697,121.94

Finding the Fourth Proportional to 817,580.82, 1,127,624.85 and 697,121.94

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Solution

The fourth proportional to 817,580.82, 1,127,624.85 and 697,121.94 is: 961,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,580.82 : 1,127,624.85 = 697,121.94 : x
  2. Step 2: Convert to fraction form
    817,580.82/1,127,624.85 = 697,121.94/x
  3. Step 3: Cross multiply
    817,580.82x = 1,127,624.85 × 697,121.94
  4. Step 4: Simplify right side
    817,580.82x = 786,092,023,024.21
  5. Step 5: Solve for x
    x = 786,092,023,024.21/817,580.82
  6. Step 6: Final answer
    x = 961,485.40

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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.