Home / 1,427,582.55-1,970,136.09-783,062.72

Finding the Fourth Proportional to 1,427,582.55, 1,970,136.09 and 783,062.72

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Solution

The fourth proportional to 1,427,582.55, 1,970,136.09 and 783,062.72 is: 1,080,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,582.55 : 1,970,136.09 = 783,062.72 : x
  2. Step 2: Convert to fraction form
    1,427,582.55/1,970,136.09 = 783,062.72/x
  3. Step 3: Cross multiply
    1,427,582.55x = 1,970,136.09 × 783,062.72
  4. Step 4: Simplify right side
    1,427,582.55x = 1,542,740,115,554.88
  5. Step 5: Solve for x
    x = 1,542,740,115,554.88/1,427,582.55
  6. Step 6: Final answer
    x = 1,080,666.13

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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.