Home / 1,301,118.54-1,795,504.95-720,367.50

Finding the Fourth Proportional to 1,301,118.54, 1,795,504.95 and 720,367.50

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Solution

The fourth proportional to 1,301,118.54, 1,795,504.95 and 720,367.50 is: 994,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,118.54 : 1,795,504.95 = 720,367.50 : x
  2. Step 2: Convert to fraction form
    1,301,118.54/1,795,504.95 = 720,367.50/x
  3. Step 3: Cross multiply
    1,301,118.54x = 1,795,504.95 × 720,367.50
  4. Step 4: Simplify right side
    1,301,118.54x = 1,293,423,412,069.13
  5. Step 5: Solve for x
    x = 1,293,423,412,069.13/1,301,118.54
  6. Step 6: Final answer
    x = 994,085.76

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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.