Home / 1,803,601.68-2,489,007.86-987,839.74

Finding the Fourth Proportional to 1,803,601.68, 2,489,007.86 and 987,839.74

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Solution

The fourth proportional to 1,803,601.68, 2,489,007.86 and 987,839.74 is: 1,363,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,601.68 : 2,489,007.86 = 987,839.74 : x
  2. Step 2: Convert to fraction form
    1,803,601.68/2,489,007.86 = 987,839.74/x
  3. Step 3: Cross multiply
    1,803,601.68x = 2,489,007.86 × 987,839.74
  4. Step 4: Simplify right side
    1,803,601.68x = 2,458,740,877,280.36
  5. Step 5: Solve for x
    x = 2,458,740,877,280.36/1,803,601.68
  6. Step 6: Final answer
    x = 1,363,239.40

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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.