Home / 1,379,897.49-2,069,700.62-369,121.44

Finding the Fourth Proportional to 1,379,897.49, 2,069,700.62 and 369,121.44

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Solution

The fourth proportional to 1,379,897.49, 2,069,700.62 and 369,121.44 is: 553,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,897.49 : 2,069,700.62 = 369,121.44 : x
  2. Step 2: Convert to fraction form
    1,379,897.49/2,069,700.62 = 369,121.44/x
  3. Step 3: Cross multiply
    1,379,897.49x = 2,069,700.62 × 369,121.44
  4. Step 4: Simplify right side
    1,379,897.49x = 763,970,871,377.69
  5. Step 5: Solve for x
    x = 763,970,871,377.69/1,379,897.49
  6. Step 6: Final answer
    x = 553,643.21

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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.