Home / 1,108,530.24-1,661,726.16-509,901.36

Finding the Fourth Proportional to 1,108,530.24, 1,661,726.16 and 509,901.36

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Solution

The fourth proportional to 1,108,530.24, 1,661,726.16 and 509,901.36 is: 764,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,530.24 : 1,661,726.16 = 509,901.36 : x
  2. Step 2: Convert to fraction form
    1,108,530.24/1,661,726.16 = 509,901.36/x
  3. Step 3: Cross multiply
    1,108,530.24x = 1,661,726.16 × 509,901.36
  4. Step 4: Simplify right side
    1,108,530.24x = 847,316,428,931.58
  5. Step 5: Solve for x
    x = 847,316,428,931.58/1,108,530.24
  6. Step 6: Final answer
    x = 764,360.23

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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.