Home / 1,214,695.80-1,822,821.30-709,255.80

Finding the Fourth Proportional to 1,214,695.80, 1,822,821.30 and 709,255.80

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Solution

The fourth proportional to 1,214,695.80, 1,822,821.30 and 709,255.80 is: 1,064,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,695.80 : 1,822,821.30 = 709,255.80 : x
  2. Step 2: Convert to fraction form
    1,214,695.80/1,822,821.30 = 709,255.80/x
  3. Step 3: Cross multiply
    1,214,695.80x = 1,822,821.30 × 709,255.80
  4. Step 4: Simplify right side
    1,214,695.80x = 1,292,846,579,388.54
  5. Step 5: Solve for x
    x = 1,292,846,579,388.54/1,214,695.80
  6. Step 6: Final answer
    x = 1,064,337.74

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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.