Home / 1,022,670.77-1,534,006.35-312,698.88

Finding the Fourth Proportional to 1,022,670.77, 1,534,006.35 and 312,698.88

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Solution

The fourth proportional to 1,022,670.77, 1,534,006.35 and 312,698.88 is: 469,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,670.77 : 1,534,006.35 = 312,698.88 : x
  2. Step 2: Convert to fraction form
    1,022,670.77/1,534,006.35 = 312,698.88/x
  3. Step 3: Cross multiply
    1,022,670.77x = 1,534,006.35 × 312,698.88
  4. Step 4: Simplify right side
    1,022,670.77x = 479,682,067,557.89
  5. Step 5: Solve for x
    x = 479,682,067,557.89/1,022,670.77
  6. Step 6: Final answer
    x = 469,048.38

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Double scale
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1.5x scale

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.