Home / 972,003.80-1,458,005.70-859,810.70

Finding the Fourth Proportional to 972,003.80, 1,458,005.70 and 859,810.70

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Solution

The fourth proportional to 972,003.80, 1,458,005.70 and 859,810.70 is: 1,289,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,003.80 : 1,458,005.70 = 859,810.70 : x
  2. Step 2: Convert to fraction form
    972,003.80/1,458,005.70 = 859,810.70/x
  3. Step 3: Cross multiply
    972,003.80x = 1,458,005.70 × 859,810.70
  4. Step 4: Simplify right side
    972,003.80x = 1,253,608,901,520.99
  5. Step 5: Solve for x
    x = 1,253,608,901,520.99/972,003.80
  6. Step 6: Final answer
    x = 1,289,716.05

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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.