Home / 1,329,647.16-1,993,770.90-909,043.32

Finding the Fourth Proportional to 1,329,647.16, 1,993,770.90 and 909,043.32

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Solution

The fourth proportional to 1,329,647.16, 1,993,770.90 and 909,043.32 is: 1,363,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,647.16 : 1,993,770.90 = 909,043.32 : x
  2. Step 2: Convert to fraction form
    1,329,647.16/1,993,770.90 = 909,043.32/x
  3. Step 3: Cross multiply
    1,329,647.16x = 1,993,770.90 × 909,043.32
  4. Step 4: Simplify right side
    1,329,647.16x = 1,812,424,118,255.39
  5. Step 5: Solve for x
    x = 1,812,424,118,255.39/1,329,647.16
  6. Step 6: Final answer
    x = 1,363,086.52

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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.