Home / 1,580,298.67-2,180,278.38-1,028,762.59

Finding the Fourth Proportional to 1,580,298.67, 2,180,278.38 and 1,028,762.59

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Solution

The fourth proportional to 1,580,298.67, 2,180,278.38 and 1,028,762.59 is: 1,419,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,298.67 : 2,180,278.38 = 1,028,762.59 : x
  2. Step 2: Convert to fraction form
    1,580,298.67/2,180,278.38 = 1,028,762.59/x
  3. Step 3: Cross multiply
    1,580,298.67x = 2,180,278.38 × 1,028,762.59
  4. Step 4: Simplify right side
    1,580,298.67x = 2,242,988,833,129.80
  5. Step 5: Solve for x
    x = 2,242,988,833,129.80/1,580,298.67
  6. Step 6: Final answer
    x = 1,419,344.88

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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.