Home / 1,144,339.11-1,715,312.16-385,918.56

Finding the Fourth Proportional to 1,144,339.11, 1,715,312.16 and 385,918.56

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Solution

The fourth proportional to 1,144,339.11, 1,715,312.16 and 385,918.56 is: 578,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,339.11 : 1,715,312.16 = 385,918.56 : x
  2. Step 2: Convert to fraction form
    1,144,339.11/1,715,312.16 = 385,918.56/x
  3. Step 3: Cross multiply
    1,144,339.11x = 1,715,312.16 × 385,918.56
  4. Step 4: Simplify right side
    1,144,339.11x = 661,970,798,737.69
  5. Step 5: Solve for x
    x = 661,970,798,737.69/1,144,339.11
  6. Step 6: Final answer
    x = 578,474.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.