Home / 1,126,095.89-1,689,143.83-284,647.64

Finding the Fourth Proportional to 1,126,095.89, 1,689,143.83 and 284,647.64

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Solution

The fourth proportional to 1,126,095.89, 1,689,143.83 and 284,647.64 is: 426,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,095.89 : 1,689,143.83 = 284,647.64 : x
  2. Step 2: Convert to fraction form
    1,126,095.89/1,689,143.83 = 284,647.64/x
  3. Step 3: Cross multiply
    1,126,095.89x = 1,689,143.83 × 284,647.64
  4. Step 4: Simplify right side
    1,126,095.89x = 480,810,795,672.72
  5. Step 5: Solve for x
    x = 480,810,795,672.72/1,126,095.89
  6. Step 6: Final answer
    x = 426,971.45

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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.