Home / 1,330,849.95-1,836,570.92-757,890.51

Finding the Fourth Proportional to 1,330,849.95, 1,836,570.92 and 757,890.51

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Solution

The fourth proportional to 1,330,849.95, 1,836,570.92 and 757,890.51 is: 1,045,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,849.95 : 1,836,570.92 = 757,890.51 : x
  2. Step 2: Convert to fraction form
    1,330,849.95/1,836,570.92 = 757,890.51/x
  3. Step 3: Cross multiply
    1,330,849.95x = 1,836,570.92 × 757,890.51
  4. Step 4: Simplify right side
    1,330,849.95x = 1,391,919,667,420.52
  5. Step 5: Solve for x
    x = 1,391,919,667,420.52/1,330,849.95
  6. Step 6: Final answer
    x = 1,045,887.76

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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.