Home / 912,110.20-1,368,165.30-744,148.60

Finding the Fourth Proportional to 912,110.20, 1,368,165.30 and 744,148.60

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Solution

The fourth proportional to 912,110.20, 1,368,165.30 and 744,148.60 is: 1,116,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,110.20 : 1,368,165.30 = 744,148.60 : x
  2. Step 2: Convert to fraction form
    912,110.20/1,368,165.30 = 744,148.60/x
  3. Step 3: Cross multiply
    912,110.20x = 1,368,165.30 × 744,148.60
  4. Step 4: Simplify right side
    912,110.20x = 1,018,118,292,563.58
  5. Step 5: Solve for x
    x = 1,018,118,292,563.58/912,110.20
  6. Step 6: Final answer
    x = 1,116,222.90

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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.