Home / 1,157,339.24-1,728,969.77-749,206.56

Finding the Fourth Proportional to 1,157,339.24, 1,728,969.77 and 749,206.56

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Solution

The fourth proportional to 1,157,339.24, 1,728,969.77 and 749,206.56 is: 1,119,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,339.24 : 1,728,969.77 = 749,206.56 : x
  2. Step 2: Convert to fraction form
    1,157,339.24/1,728,969.77 = 749,206.56/x
  3. Step 3: Cross multiply
    1,157,339.24x = 1,728,969.77 × 749,206.56
  4. Step 4: Simplify right side
    1,157,339.24x = 1,295,355,501,149.75
  5. Step 5: Solve for x
    x = 1,295,355,501,149.75/1,157,339.24
  6. Step 6: Final answer
    x = 1,119,253.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.