Home / 1,105,871.55-1,525,316.61-738,163.29

Finding the Fourth Proportional to 1,105,871.55, 1,525,316.61 and 738,163.29

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Solution

The fourth proportional to 1,105,871.55, 1,525,316.61 and 738,163.29 is: 1,018,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,871.55 : 1,525,316.61 = 738,163.29 : x
  2. Step 2: Convert to fraction form
    1,105,871.55/1,525,316.61 = 738,163.29/x
  3. Step 3: Cross multiply
    1,105,871.55x = 1,525,316.61 × 738,163.29
  4. Step 4: Simplify right side
    1,105,871.55x = 1,125,932,727,129.25
  5. Step 5: Solve for x
    x = 1,125,932,727,129.25/1,105,871.55
  6. Step 6: Final answer
    x = 1,018,140.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.