Home / 1,580,294.67-2,180,272.87-1,028,758.58

Finding the Fourth Proportional to 1,580,294.67, 2,180,272.87 and 1,028,758.58

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Solution

The fourth proportional to 1,580,294.67, 2,180,272.87 and 1,028,758.58 is: 1,419,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,294.67 : 2,180,272.87 = 1,028,758.58 : x
  2. Step 2: Convert to fraction form
    1,580,294.67/2,180,272.87 = 1,028,758.58/x
  3. Step 3: Cross multiply
    1,580,294.67x = 2,180,272.87 × 1,028,758.58
  4. Step 4: Simplify right side
    1,580,294.67x = 2,242,974,424,632.51
  5. Step 5: Solve for x
    x = 2,242,974,424,632.51/1,580,294.67
  6. Step 6: Final answer
    x = 1,419,339.36

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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.