Home / 1,108,038.70-1,661,572.05-508,800.70

Finding the Fourth Proportional to 1,108,038.70, 1,661,572.05 and 508,800.70

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Solution

The fourth proportional to 1,108,038.70, 1,661,572.05 and 508,800.70 is: 762,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,038.70 : 1,661,572.05 = 508,800.70 : x
  2. Step 2: Convert to fraction form
    1,108,038.70/1,661,572.05 = 508,800.70/x
  3. Step 3: Cross multiply
    1,108,038.70x = 1,661,572.05 × 508,800.70
  4. Step 4: Simplify right side
    1,108,038.70x = 845,409,022,140.44
  5. Step 5: Solve for x
    x = 845,409,022,140.44/1,108,038.70
  6. Step 6: Final answer
    x = 762,977.88

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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.