Home / 1,472,111.80-2,208,167.70-842,255.80

Finding the Fourth Proportional to 1,472,111.80, 2,208,167.70 and 842,255.80

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Solution

The fourth proportional to 1,472,111.80, 2,208,167.70 and 842,255.80 is: 1,263,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,111.80 : 2,208,167.70 = 842,255.80 : x
  2. Step 2: Convert to fraction form
    1,472,111.80/2,208,167.70 = 842,255.80/x
  3. Step 3: Cross multiply
    1,472,111.80x = 2,208,167.70 × 842,255.80
  4. Step 4: Simplify right side
    1,472,111.80x = 1,859,842,052,697.66
  5. Step 5: Solve for x
    x = 1,859,842,052,697.66/1,472,111.80
  6. Step 6: Final answer
    x = 1,263,383.70

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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.