Home / 1,236,325.70-1,854,754.88-383,380.20

Finding the Fourth Proportional to 1,236,325.70, 1,854,754.88 and 383,380.20

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Solution

The fourth proportional to 1,236,325.70, 1,854,754.88 and 383,380.20 is: 575,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,325.70 : 1,854,754.88 = 383,380.20 : x
  2. Step 2: Convert to fraction form
    1,236,325.70/1,854,754.88 = 383,380.20/x
  3. Step 3: Cross multiply
    1,236,325.70x = 1,854,754.88 × 383,380.20
  4. Step 4: Simplify right side
    1,236,325.70x = 711,076,294,928.48
  5. Step 5: Solve for x
    x = 711,076,294,928.48/1,236,325.70
  6. Step 6: Final answer
    x = 575,152.89

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Double scale
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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.