Home / 1,264,122.65-1,896,239.34-365,655.21

Finding the Fourth Proportional to 1,264,122.65, 1,896,239.34 and 365,655.21

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Solution

The fourth proportional to 1,264,122.65, 1,896,239.34 and 365,655.21 is: 548,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,122.65 : 1,896,239.34 = 365,655.21 : x
  2. Step 2: Convert to fraction form
    1,264,122.65/1,896,239.34 = 365,655.21/x
  3. Step 3: Cross multiply
    1,264,122.65x = 1,896,239.34 × 365,655.21
  4. Step 4: Simplify right side
    1,264,122.65x = 693,369,794,077.96
  5. Step 5: Solve for x
    x = 693,369,794,077.96/1,264,122.65
  6. Step 6: Final answer
    x = 548,498.83

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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.