Home / 1,395,438.47-2,091,829.10-448,144.89

Finding the Fourth Proportional to 1,395,438.47, 2,091,829.10 and 448,144.89

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Solution

The fourth proportional to 1,395,438.47, 2,091,829.10 and 448,144.89 is: 671,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,438.47 : 2,091,829.10 = 448,144.89 : x
  2. Step 2: Convert to fraction form
    1,395,438.47/2,091,829.10 = 448,144.89/x
  3. Step 3: Cross multiply
    1,395,438.47x = 2,091,829.10 × 448,144.89
  4. Step 4: Simplify right side
    1,395,438.47x = 937,442,520,797.94
  5. Step 5: Solve for x
    x = 937,442,520,797.94/1,395,438.47
  6. Step 6: Final answer
    x = 671,790.65

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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.