Home / 1,142,037.72-1,575,298.44-734,670

Finding the Fourth Proportional to 1,142,037.72, 1,575,298.44 and 734,670

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Solution

The fourth proportional to 1,142,037.72, 1,575,298.44 and 734,670 is: 1,013,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,037.72 : 1,575,298.44 = 734,670 : x
  2. Step 2: Convert to fraction form
    1,142,037.72/1,575,298.44 = 734,670/x
  3. Step 3: Cross multiply
    1,142,037.72x = 1,575,298.44 × 734,670
  4. Step 4: Simplify right side
    1,142,037.72x = 1,157,324,504,914.80
  5. Step 5: Solve for x
    x = 1,157,324,504,914.80/1,142,037.72
  6. Step 6: Final answer
    x = 1,013,385.53

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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.