Home / 1,458,666.30-2,187,015.30-775,666.20

Finding the Fourth Proportional to 1,458,666.30, 2,187,015.30 and 775,666.20

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Solution

The fourth proportional to 1,458,666.30, 2,187,015.30 and 775,666.20 is: 1,162,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,666.30 : 2,187,015.30 = 775,666.20 : x
  2. Step 2: Convert to fraction form
    1,458,666.30/2,187,015.30 = 775,666.20/x
  3. Step 3: Cross multiply
    1,458,666.30x = 2,187,015.30 × 775,666.20
  4. Step 4: Simplify right side
    1,458,666.30x = 1,696,393,847,092.86
  5. Step 5: Solve for x
    x = 1,696,393,847,092.86/1,458,666.30
  6. Step 6: Final answer
    x = 1,162,975.96

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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.