Home / 1,644,130.90-2,466,140.75-579,145.12

Finding the Fourth Proportional to 1,644,130.90, 2,466,140.75 and 579,145.12

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Solution

The fourth proportional to 1,644,130.90, 2,466,140.75 and 579,145.12 is: 868,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,130.90 : 2,466,140.75 = 579,145.12 : x
  2. Step 2: Convert to fraction form
    1,644,130.90/2,466,140.75 = 579,145.12/x
  3. Step 3: Cross multiply
    1,644,130.90x = 2,466,140.75 × 579,145.12
  4. Step 4: Simplify right side
    1,644,130.90x = 1,428,253,380,595.64
  5. Step 5: Solve for x
    x = 1,428,253,380,595.64/1,644,130.90
  6. Step 6: Final answer
    x = 868,698.09

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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.