Home / 1,403,825.05-2,105,885.20-457,269.58

Finding the Fourth Proportional to 1,403,825.05, 2,105,885.20 and 457,269.58

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Solution

The fourth proportional to 1,403,825.05, 2,105,885.20 and 457,269.58 is: 685,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,825.05 : 2,105,885.20 = 457,269.58 : x
  2. Step 2: Convert to fraction form
    1,403,825.05/2,105,885.20 = 457,269.58/x
  3. Step 3: Cross multiply
    1,403,825.05x = 2,105,885.20 × 457,269.58
  4. Step 4: Simplify right side
    1,403,825.05x = 962,957,240,932.22
  5. Step 5: Solve for x
    x = 962,957,240,932.22/1,403,825.05
  6. Step 6: Final answer
    x = 685,952.46

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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.