Home / 755,639.37-1,133,901.91-542,177.23

Finding the Fourth Proportional to 755,639.37, 1,133,901.91 and 542,177.23

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Solution

The fourth proportional to 755,639.37, 1,133,901.91 and 542,177.23 is: 813,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,639.37 : 1,133,901.91 = 542,177.23 : x
  2. Step 2: Convert to fraction form
    755,639.37/1,133,901.91 = 542,177.23/x
  3. Step 3: Cross multiply
    755,639.37x = 1,133,901.91 × 542,177.23
  4. Step 4: Simplify right side
    755,639.37x = 614,775,796,655.51
  5. Step 5: Solve for x
    x = 614,775,796,655.51/755,639.37
  6. Step 6: Final answer
    x = 813,583.60

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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.