Home / 1,130,243.46-1,695,452.70-320,614.23

Finding the Fourth Proportional to 1,130,243.46, 1,695,452.70 and 320,614.23

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Solution

The fourth proportional to 1,130,243.46, 1,695,452.70 and 320,614.23 is: 480,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,243.46 : 1,695,452.70 = 320,614.23 : x
  2. Step 2: Convert to fraction form
    1,130,243.46/1,695,452.70 = 320,614.23/x
  3. Step 3: Cross multiply
    1,130,243.46x = 1,695,452.70 × 320,614.23
  4. Step 4: Simplify right side
    1,130,243.46x = 543,586,261,911.92
  5. Step 5: Solve for x
    x = 543,586,261,911.92/1,130,243.46
  6. Step 6: Final answer
    x = 480,946.17

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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.