Home / 1,086,456.72-1,631,284.86-607,622.68

Finding the Fourth Proportional to 1,086,456.72, 1,631,284.86 and 607,622.68

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Solution

The fourth proportional to 1,086,456.72, 1,631,284.86 and 607,622.68 is: 912,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,456.72 : 1,631,284.86 = 607,622.68 : x
  2. Step 2: Convert to fraction form
    1,086,456.72/1,631,284.86 = 607,622.68/x
  3. Step 3: Cross multiply
    1,086,456.72x = 1,631,284.86 × 607,622.68
  4. Step 4: Simplify right side
    1,086,456.72x = 991,205,678,476.63
  5. Step 5: Solve for x
    x = 991,205,678,476.63/1,086,456.72
  6. Step 6: Final answer
    x = 912,328.73

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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.