Home / 1,028,629.38-1,541,473.90-578,405.32

Finding the Fourth Proportional to 1,028,629.38, 1,541,473.90 and 578,405.32

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Solution

The fourth proportional to 1,028,629.38, 1,541,473.90 and 578,405.32 is: 866,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,629.38 : 1,541,473.90 = 578,405.32 : x
  2. Step 2: Convert to fraction form
    1,028,629.38/1,541,473.90 = 578,405.32/x
  3. Step 3: Cross multiply
    1,028,629.38x = 1,541,473.90 × 578,405.32
  4. Step 4: Simplify right side
    1,028,629.38x = 891,596,704,401.15
  5. Step 5: Solve for x
    x = 891,596,704,401.15/1,028,629.38
  6. Step 6: Final answer
    x = 866,781.29

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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.