Home / 1,644,384.80-2,467,678.80-579,429.20

Finding the Fourth Proportional to 1,644,384.80, 2,467,678.80 and 579,429.20

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Solution

The fourth proportional to 1,644,384.80, 2,467,678.80 and 579,429.20 is: 869,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,384.80 : 2,467,678.80 = 579,429.20 : x
  2. Step 2: Convert to fraction form
    1,644,384.80/2,467,678.80 = 579,429.20/x
  3. Step 3: Cross multiply
    1,644,384.80x = 2,467,678.80 × 579,429.20
  4. Step 4: Simplify right side
    1,644,384.80x = 1,429,845,152,940.96
  5. Step 5: Solve for x
    x = 1,429,845,152,940.96/1,644,384.80
  6. Step 6: Final answer
    x = 869,531.97

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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.