Home / 1,332,113.67-1,997,696.66-385,288.47

Finding the Fourth Proportional to 1,332,113.67, 1,997,696.66 and 385,288.47

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Solution

The fourth proportional to 1,332,113.67, 1,997,696.66 and 385,288.47 is: 577,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,113.67 : 1,997,696.66 = 385,288.47 : x
  2. Step 2: Convert to fraction form
    1,332,113.67/1,997,696.66 = 385,288.47/x
  3. Step 3: Cross multiply
    1,332,113.67x = 1,997,696.66 × 385,288.47
  4. Step 4: Simplify right side
    1,332,113.67x = 769,689,487,729.07
  5. Step 5: Solve for x
    x = 769,689,487,729.07/1,332,113.67
  6. Step 6: Final answer
    x = 577,795.65

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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.