Home / 1,249,163.52-1,723,419.04-813,381.28

Finding the Fourth Proportional to 1,249,163.52, 1,723,419.04 and 813,381.28

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Solution

The fourth proportional to 1,249,163.52, 1,723,419.04 and 813,381.28 is: 1,122,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,163.52 : 1,723,419.04 = 813,381.28 : x
  2. Step 2: Convert to fraction form
    1,249,163.52/1,723,419.04 = 813,381.28/x
  3. Step 3: Cross multiply
    1,249,163.52x = 1,723,419.04 × 813,381.28
  4. Step 4: Simplify right side
    1,249,163.52x = 1,401,796,784,731.57
  5. Step 5: Solve for x
    x = 1,401,796,784,731.57/1,249,163.52
  6. Step 6: Final answer
    x = 1,122,188.38

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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.