Home / 1,108,037.70-1,661,570.55-508,799.70

Finding the Fourth Proportional to 1,108,037.70, 1,661,570.55 and 508,799.70

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Solution

The fourth proportional to 1,108,037.70, 1,661,570.55 and 508,799.70 is: 762,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,037.70 : 1,661,570.55 = 508,799.70 : x
  2. Step 2: Convert to fraction form
    1,108,037.70/1,661,570.55 = 508,799.70/x
  3. Step 3: Cross multiply
    1,108,037.70x = 1,661,570.55 × 508,799.70
  4. Step 4: Simplify right side
    1,108,037.70x = 845,406,597,368.84
  5. Step 5: Solve for x
    x = 845,406,597,368.84/1,108,037.70
  6. Step 6: Final answer
    x = 762,976.38

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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.