Home / 1,553,284.68-2,328,843.77-688,249.14

Finding the Fourth Proportional to 1,553,284.68, 2,328,843.77 and 688,249.14

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Solution

The fourth proportional to 1,553,284.68, 2,328,843.77 and 688,249.14 is: 1,031,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,284.68 : 2,328,843.77 = 688,249.14 : x
  2. Step 2: Convert to fraction form
    1,553,284.68/2,328,843.77 = 688,249.14/x
  3. Step 3: Cross multiply
    1,553,284.68x = 2,328,843.77 × 688,249.14
  4. Step 4: Simplify right side
    1,553,284.68x = 1,602,824,721,896.86
  5. Step 5: Solve for x
    x = 1,602,824,721,896.86/1,553,284.68
  6. Step 6: Final answer
    x = 1,031,893.73

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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.