Home / 1,107,014.31-1,661,152.91-433,150.47

Finding the Fourth Proportional to 1,107,014.31, 1,661,152.91 and 433,150.47

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Solution

The fourth proportional to 1,107,014.31, 1,661,152.91 and 433,150.47 is: 649,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,014.31 : 1,661,152.91 = 433,150.47 : x
  2. Step 2: Convert to fraction form
    1,107,014.31/1,661,152.91 = 433,150.47/x
  3. Step 3: Cross multiply
    1,107,014.31x = 1,661,152.91 × 433,150.47
  4. Step 4: Simplify right side
    1,107,014.31x = 719,529,161,542.62
  5. Step 5: Solve for x
    x = 719,529,161,542.62/1,107,014.31
  6. Step 6: Final answer
    x = 649,972.77

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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.