Home / 1,120,969.44-1,547,336.64-662,085.76

Finding the Fourth Proportional to 1,120,969.44, 1,547,336.64 and 662,085.76

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Solution

The fourth proportional to 1,120,969.44, 1,547,336.64 and 662,085.76 is: 913,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,969.44 : 1,547,336.64 = 662,085.76 : x
  2. Step 2: Convert to fraction form
    1,120,969.44/1,547,336.64 = 662,085.76/x
  3. Step 3: Cross multiply
    1,120,969.44x = 1,547,336.64 × 662,085.76
  4. Step 4: Simplify right side
    1,120,969.44x = 1,024,469,555,270.25
  5. Step 5: Solve for x
    x = 1,024,469,555,270.25/1,120,969.44
  6. Step 6: Final answer
    x = 913,913.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.