Home / 1,402,057.80-2,103,086.70-867,846.60

Finding the Fourth Proportional to 1,402,057.80, 2,103,086.70 and 867,846.60

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Solution

The fourth proportional to 1,402,057.80, 2,103,086.70 and 867,846.60 is: 1,301,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,057.80 : 2,103,086.70 = 867,846.60 : x
  2. Step 2: Convert to fraction form
    1,402,057.80/2,103,086.70 = 867,846.60/x
  3. Step 3: Cross multiply
    1,402,057.80x = 2,103,086.70 × 867,846.60
  4. Step 4: Simplify right side
    1,402,057.80x = 1,825,156,642,100.22
  5. Step 5: Solve for x
    x = 1,825,156,642,100.22/1,402,057.80
  6. Step 6: Final answer
    x = 1,301,769.90

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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.