Home / 1,210,085.04-1,815,127.92-451,986.24

Finding the Fourth Proportional to 1,210,085.04, 1,815,127.92 and 451,986.24

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Solution

The fourth proportional to 1,210,085.04, 1,815,127.92 and 451,986.24 is: 677,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,085.04 : 1,815,127.92 = 451,986.24 : x
  2. Step 2: Convert to fraction form
    1,210,085.04/1,815,127.92 = 451,986.24/x
  3. Step 3: Cross multiply
    1,210,085.04x = 1,815,127.92 × 451,986.24
  4. Step 4: Simplify right side
    1,210,085.04x = 820,412,843,679.82
  5. Step 5: Solve for x
    x = 820,412,843,679.82/1,210,085.04
  6. Step 6: Final answer
    x = 677,979.49

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Double scale
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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.