Home / 1,019,560.75-1,529,341.05-485,462.55

Finding the Fourth Proportional to 1,019,560.75, 1,529,341.05 and 485,462.55

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Solution

The fourth proportional to 1,019,560.75, 1,529,341.05 and 485,462.55 is: 728,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,560.75 : 1,529,341.05 = 485,462.55 : x
  2. Step 2: Convert to fraction form
    1,019,560.75/1,529,341.05 = 485,462.55/x
  3. Step 3: Cross multiply
    1,019,560.75x = 1,529,341.05 × 485,462.55
  4. Step 4: Simplify right side
    1,019,560.75x = 742,437,804,905.65
  5. Step 5: Solve for x
    x = 742,437,804,905.65/1,019,560.75
  6. Step 6: Final answer
    x = 728,193.79

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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.