Home / 1,430,007.72-2,145,009.78-365,049.96

Finding the Fourth Proportional to 1,430,007.72, 2,145,009.78 and 365,049.96

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Solution

The fourth proportional to 1,430,007.72, 2,145,009.78 and 365,049.96 is: 547,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,007.72 : 2,145,009.78 = 365,049.96 : x
  2. Step 2: Convert to fraction form
    1,430,007.72/2,145,009.78 = 365,049.96/x
  3. Step 3: Cross multiply
    1,430,007.72x = 2,145,009.78 × 365,049.96
  4. Step 4: Simplify right side
    1,430,007.72x = 783,035,734,388.61
  5. Step 5: Solve for x
    x = 783,035,734,388.61/1,430,007.72
  6. Step 6: Final answer
    x = 547,574.48

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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.