Home / 1,401,989.11-1,934,745.95-757,409.13

Finding the Fourth Proportional to 1,401,989.11, 1,934,745.95 and 757,409.13

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Solution

The fourth proportional to 1,401,989.11, 1,934,745.95 and 757,409.13 is: 1,045,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,989.11 : 1,934,745.95 = 757,409.13 : x
  2. Step 2: Convert to fraction form
    1,401,989.11/1,934,745.95 = 757,409.13/x
  3. Step 3: Cross multiply
    1,401,989.11x = 1,934,745.95 × 757,409.13
  4. Step 4: Simplify right side
    1,401,989.11x = 1,465,394,248,654.05
  5. Step 5: Solve for x
    x = 1,465,394,248,654.05/1,401,989.11
  6. Step 6: Final answer
    x = 1,045,225.13

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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.