Home / 1,326,373.92-1,990,148.40-695,137.44

Finding the Fourth Proportional to 1,326,373.92, 1,990,148.40 and 695,137.44

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Solution

The fourth proportional to 1,326,373.92, 1,990,148.40 and 695,137.44 is: 1,043,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,373.92 : 1,990,148.40 = 695,137.44 : x
  2. Step 2: Convert to fraction form
    1,326,373.92/1,990,148.40 = 695,137.44/x
  3. Step 3: Cross multiply
    1,326,373.92x = 1,990,148.40 × 695,137.44
  4. Step 4: Simplify right side
    1,326,373.92x = 1,383,426,663,996.10
  5. Step 5: Solve for x
    x = 1,383,426,663,996.10/1,326,373.92
  6. Step 6: Final answer
    x = 1,043,014.07

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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.