Home / 1,028,962.32-1,420,129.92-587,438.01

Finding the Fourth Proportional to 1,028,962.32, 1,420,129.92 and 587,438.01

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Solution

The fourth proportional to 1,028,962.32, 1,420,129.92 and 587,438.01 is: 810,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,962.32 : 1,420,129.92 = 587,438.01 : x
  2. Step 2: Convert to fraction form
    1,028,962.32/1,420,129.92 = 587,438.01/x
  3. Step 3: Cross multiply
    1,028,962.32x = 1,420,129.92 × 587,438.01
  4. Step 4: Simplify right side
    1,028,962.32x = 834,238,294,146.26
  5. Step 5: Solve for x
    x = 834,238,294,146.26/1,028,962.32
  6. Step 6: Final answer
    x = 810,756.89

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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.