Home / 1,108,293.51-1,662,440.26-509,758.08

Finding the Fourth Proportional to 1,108,293.51, 1,662,440.26 and 509,758.08

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Solution

The fourth proportional to 1,108,293.51, 1,662,440.26 and 509,758.08 is: 764,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,293.51 : 1,662,440.26 = 509,758.08 : x
  2. Step 2: Convert to fraction form
    1,108,293.51/1,662,440.26 = 509,758.08/x
  3. Step 3: Cross multiply
    1,108,293.51x = 1,662,440.26 × 509,758.08
  4. Step 4: Simplify right side
    1,108,293.51x = 847,442,355,052.30
  5. Step 5: Solve for x
    x = 847,442,355,052.30/1,108,293.51
  6. Step 6: Final answer
    x = 764,637.12

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Double scale
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Similar ratio
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1.5x scale

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.