Home / 990,114.44-1,366,321.38-537,395.72

Finding the Fourth Proportional to 990,114.44, 1,366,321.38 and 537,395.72

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Solution

The fourth proportional to 990,114.44, 1,366,321.38 and 537,395.72 is: 741,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,114.44 : 1,366,321.38 = 537,395.72 : x
  2. Step 2: Convert to fraction form
    990,114.44/1,366,321.38 = 537,395.72/x
  3. Step 3: Cross multiply
    990,114.44x = 1,366,321.38 × 537,395.72
  4. Step 4: Simplify right side
    990,114.44x = 734,255,261,756.49
  5. Step 5: Solve for x
    x = 734,255,261,756.49/990,114.44
  6. Step 6: Final answer
    x = 741,586.26

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Double scale
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1.5x scale

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.