Home / 1,163,976.96-1,605,377.76-756,210

Finding the Fourth Proportional to 1,163,976.96, 1,605,377.76 and 756,210

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Solution

The fourth proportional to 1,163,976.96, 1,605,377.76 and 756,210 is: 1,042,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,976.96 : 1,605,377.76 = 756,210 : x
  2. Step 2: Convert to fraction form
    1,163,976.96/1,605,377.76 = 756,210/x
  3. Step 3: Cross multiply
    1,163,976.96x = 1,605,377.76 × 756,210
  4. Step 4: Simplify right side
    1,163,976.96x = 1,214,002,715,889.60
  5. Step 5: Solve for x
    x = 1,214,002,715,889.60/1,163,976.96
  6. Step 6: Final answer
    x = 1,042,978.30

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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.