Home / 1,241,790.78-1,713,686.70-751,753.76

Finding the Fourth Proportional to 1,241,790.78, 1,713,686.70 and 751,753.76

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Solution

The fourth proportional to 1,241,790.78, 1,713,686.70 and 751,753.76 is: 1,037,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,790.78 : 1,713,686.70 = 751,753.76 : x
  2. Step 2: Convert to fraction form
    1,241,790.78/1,713,686.70 = 751,753.76/x
  3. Step 3: Cross multiply
    1,241,790.78x = 1,713,686.70 × 751,753.76
  4. Step 4: Simplify right side
    1,241,790.78x = 1,288,270,420,186.99
  5. Step 5: Solve for x
    x = 1,288,270,420,186.99/1,241,790.78
  6. Step 6: Final answer
    x = 1,037,429.53

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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.