Home / 1,295,097.80-1,942,646.70-980,169.80

Finding the Fourth Proportional to 1,295,097.80, 1,942,646.70 and 980,169.80

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Solution

The fourth proportional to 1,295,097.80, 1,942,646.70 and 980,169.80 is: 1,470,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,097.80 : 1,942,646.70 = 980,169.80 : x
  2. Step 2: Convert to fraction form
    1,295,097.80/1,942,646.70 = 980,169.80/x
  3. Step 3: Cross multiply
    1,295,097.80x = 1,942,646.70 × 980,169.80
  4. Step 4: Simplify right side
    1,295,097.80x = 1,904,123,627,409.66
  5. Step 5: Solve for x
    x = 1,904,123,627,409.66/1,295,097.80
  6. Step 6: Final answer
    x = 1,470,254.70

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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.