Home / 1,240,104.70-1,860,158.40-492,150.70

Finding the Fourth Proportional to 1,240,104.70, 1,860,158.40 and 492,150.70

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Solution

The fourth proportional to 1,240,104.70, 1,860,158.40 and 492,150.70 is: 738,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,104.70 : 1,860,158.40 = 492,150.70 : x
  2. Step 2: Convert to fraction form
    1,240,104.70/1,860,158.40 = 492,150.70/x
  3. Step 3: Cross multiply
    1,240,104.70x = 1,860,158.40 × 492,150.70
  4. Step 4: Simplify right side
    1,240,104.70x = 915,478,258,670.88
  5. Step 5: Solve for x
    x = 915,478,258,670.88/1,240,104.70
  6. Step 6: Final answer
    x = 738,226.59

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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.