Home / 1,323,443.80-1,979,916.90-1,147,900.60

Finding the Fourth Proportional to 1,323,443.80, 1,979,916.90 and 1,147,900.60

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Solution

The fourth proportional to 1,323,443.80, 1,979,916.90 and 1,147,900.60 is: 1,717,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,443.80 : 1,979,916.90 = 1,147,900.60 : x
  2. Step 2: Convert to fraction form
    1,323,443.80/1,979,916.90 = 1,147,900.60/x
  3. Step 3: Cross multiply
    1,323,443.80x = 1,979,916.90 × 1,147,900.60
  4. Step 4: Simplify right side
    1,323,443.80x = 2,272,747,797,460.14
  5. Step 5: Solve for x
    x = 2,272,747,797,460.14/1,323,443.80
  6. Step 6: Final answer
    x = 1,717,298.31

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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.