Home / 993,147-1,370,542.86-540,441.24

Finding the Fourth Proportional to 993,147, 1,370,542.86 and 540,441.24

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Solution

The fourth proportional to 993,147, 1,370,542.86 and 540,441.24 is: 745,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,147 : 1,370,542.86 = 540,441.24 : x
  2. Step 2: Convert to fraction form
    993,147/1,370,542.86 = 540,441.24/x
  3. Step 3: Cross multiply
    993,147x = 1,370,542.86 × 540,441.24
  4. Step 4: Simplify right side
    993,147x = 740,697,882,731.55
  5. Step 5: Solve for x
    x = 740,697,882,731.55/993,147
  6. Step 6: Final answer
    x = 745,808.91

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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.