Home / 1,028,298.70-1,542,448.05-667,492.30

Finding the Fourth Proportional to 1,028,298.70, 1,542,448.05 and 667,492.30

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Solution

The fourth proportional to 1,028,298.70, 1,542,448.05 and 667,492.30 is: 1,001,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,298.70 : 1,542,448.05 = 667,492.30 : x
  2. Step 2: Convert to fraction form
    1,028,298.70/1,542,448.05 = 667,492.30/x
  3. Step 3: Cross multiply
    1,028,298.70x = 1,542,448.05 × 667,492.30
  4. Step 4: Simplify right side
    1,028,298.70x = 1,029,572,196,525.02
  5. Step 5: Solve for x
    x = 1,029,572,196,525.02/1,028,298.70
  6. Step 6: Final answer
    x = 1,001,238.45

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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.