Home / 1,393,911.52-2,090,617.44-369,248.56

Finding the Fourth Proportional to 1,393,911.52, 2,090,617.44 and 369,248.56

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Solution

The fourth proportional to 1,393,911.52, 2,090,617.44 and 369,248.56 is: 553,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,911.52 : 2,090,617.44 = 369,248.56 : x
  2. Step 2: Convert to fraction form
    1,393,911.52/2,090,617.44 = 369,248.56/x
  3. Step 3: Cross multiply
    1,393,911.52x = 2,090,617.44 × 369,248.56
  4. Step 4: Simplify right side
    1,393,911.52x = 771,957,479,230.89
  5. Step 5: Solve for x
    x = 771,957,479,230.89/1,393,911.52
  6. Step 6: Final answer
    x = 553,806.66

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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.