Home / 1,442,651.64-2,164,474.80-644,484.12

Finding the Fourth Proportional to 1,442,651.64, 2,164,474.80 and 644,484.12

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Solution

The fourth proportional to 1,442,651.64, 2,164,474.80 and 644,484.12 is: 966,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,651.64 : 2,164,474.80 = 644,484.12 : x
  2. Step 2: Convert to fraction form
    1,442,651.64/2,164,474.80 = 644,484.12/x
  3. Step 3: Cross multiply
    1,442,651.64x = 2,164,474.80 × 644,484.12
  4. Step 4: Simplify right side
    1,442,651.64x = 1,394,969,636,740.18
  5. Step 5: Solve for x
    x = 1,394,969,636,740.18/1,442,651.64
  6. Step 6: Final answer
    x = 966,948.36

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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.