Home / 1,066,507.56-1,599,762.96-427,099.23

Finding the Fourth Proportional to 1,066,507.56, 1,599,762.96 and 427,099.23

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Solution

The fourth proportional to 1,066,507.56, 1,599,762.96 and 427,099.23 is: 640,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,507.56 : 1,599,762.96 = 427,099.23 : x
  2. Step 2: Convert to fraction form
    1,066,507.56/1,599,762.96 = 427,099.23/x
  3. Step 3: Cross multiply
    1,066,507.56x = 1,599,762.96 × 427,099.23
  4. Step 4: Simplify right side
    1,066,507.56x = 683,257,528,398.52
  5. Step 5: Solve for x
    x = 683,257,528,398.52/1,066,507.56
  6. Step 6: Final answer
    x = 640,649.49

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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.