Home / 1,210,743.54-1,815,484.38-451,960.93

Finding the Fourth Proportional to 1,210,743.54, 1,815,484.38 and 451,960.93

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Solution

The fourth proportional to 1,210,743.54, 1,815,484.38 and 451,960.93 is: 677,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,743.54 : 1,815,484.38 = 451,960.93 : x
  2. Step 2: Convert to fraction form
    1,210,743.54/1,815,484.38 = 451,960.93/x
  3. Step 3: Cross multiply
    1,210,743.54x = 1,815,484.38 × 451,960.93
  4. Step 4: Simplify right side
    1,210,743.54x = 820,528,009,359.78
  5. Step 5: Solve for x
    x = 820,528,009,359.78/1,210,743.54
  6. Step 6: Final answer
    x = 677,705.87

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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.