Home / 1,491,125.40-2,236,688.10-369,194.40

Finding the Fourth Proportional to 1,491,125.40, 2,236,688.10 and 369,194.40

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Solution

The fourth proportional to 1,491,125.40, 2,236,688.10 and 369,194.40 is: 553,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,125.40 : 2,236,688.10 = 369,194.40 : x
  2. Step 2: Convert to fraction form
    1,491,125.40/2,236,688.10 = 369,194.40/x
  3. Step 3: Cross multiply
    1,491,125.40x = 2,236,688.10 × 369,194.40
  4. Step 4: Simplify right side
    1,491,125.40x = 825,772,721,066.64
  5. Step 5: Solve for x
    x = 825,772,721,066.64/1,491,125.40
  6. Step 6: Final answer
    x = 553,791.60

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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.