Home / 1,277,805.20-1,763,937.96-825,316.88

Finding the Fourth Proportional to 1,277,805.20, 1,763,937.96 and 825,316.88

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Solution

The fourth proportional to 1,277,805.20, 1,763,937.96 and 825,316.88 is: 1,139,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,805.20 : 1,763,937.96 = 825,316.88 : x
  2. Step 2: Convert to fraction form
    1,277,805.20/1,763,937.96 = 825,316.88/x
  3. Step 3: Cross multiply
    1,277,805.20x = 1,763,937.96 × 825,316.88
  4. Step 4: Simplify right side
    1,277,805.20x = 1,455,807,773,660.77
  5. Step 5: Solve for x
    x = 1,455,807,773,660.77/1,277,805.20
  6. Step 6: Final answer
    x = 1,139,303.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.