Home / 1,123,430.56-1,683,655.44-491,656.48

Finding the Fourth Proportional to 1,123,430.56, 1,683,655.44 and 491,656.48

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Solution

The fourth proportional to 1,123,430.56, 1,683,655.44 and 491,656.48 is: 736,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,430.56 : 1,683,655.44 = 491,656.48 : x
  2. Step 2: Convert to fraction form
    1,123,430.56/1,683,655.44 = 491,656.48/x
  3. Step 3: Cross multiply
    1,123,430.56x = 1,683,655.44 × 491,656.48
  4. Step 4: Simplify right side
    1,123,430.56x = 827,780,107,163.25
  5. Step 5: Solve for x
    x = 827,780,107,163.25/1,123,430.56
  6. Step 6: Final answer
    x = 736,832.46

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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.