Home / 1,345,795.70-2,018,802.91-399,163.69

Finding the Fourth Proportional to 1,345,795.70, 2,018,802.91 and 399,163.69

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Solution

The fourth proportional to 1,345,795.70, 2,018,802.91 and 399,163.69 is: 598,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,795.70 : 2,018,802.91 = 399,163.69 : x
  2. Step 2: Convert to fraction form
    1,345,795.70/2,018,802.91 = 399,163.69/x
  3. Step 3: Cross multiply
    1,345,795.70x = 2,018,802.91 × 399,163.69
  4. Step 4: Simplify right side
    1,345,795.70x = 805,832,812,893.42
  5. Step 5: Solve for x
    x = 805,832,812,893.42/1,345,795.70
  6. Step 6: Final answer
    x = 598,777.97

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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.