Home / 1,802,797.56-2,487,866.40-987,007.68

Finding the Fourth Proportional to 1,802,797.56, 2,487,866.40 and 987,007.68

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Solution

The fourth proportional to 1,802,797.56, 2,487,866.40 and 987,007.68 is: 1,362,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,797.56 : 2,487,866.40 = 987,007.68 : x
  2. Step 2: Convert to fraction form
    1,802,797.56/2,487,866.40 = 987,007.68/x
  3. Step 3: Cross multiply
    1,802,797.56x = 2,487,866.40 × 987,007.68
  4. Step 4: Simplify right side
    1,802,797.56x = 2,455,543,243,613.95
  5. Step 5: Solve for x
    x = 2,455,543,243,613.95/1,802,797.56
  6. Step 6: Final answer
    x = 1,362,073.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.