Home / 1,326,901.77-1,986,975.78-876,948.39

Finding the Fourth Proportional to 1,326,901.77, 1,986,975.78 and 876,948.39

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Solution

The fourth proportional to 1,326,901.77, 1,986,975.78 and 876,948.39 is: 1,313,190.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,901.77 : 1,986,975.78 = 876,948.39 : x
  2. Step 2: Convert to fraction form
    1,326,901.77/1,986,975.78 = 876,948.39/x
  3. Step 3: Cross multiply
    1,326,901.77x = 1,986,975.78 × 876,948.39
  4. Step 4: Simplify right side
    1,326,901.77x = 1,742,475,211,239.99
  5. Step 5: Solve for x
    x = 1,742,475,211,239.99/1,326,901.77
  6. Step 6: Final answer
    x = 1,313,190.81

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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.