Home / 1,269,679.28-1,752,152.64-696,729.08

Finding the Fourth Proportional to 1,269,679.28, 1,752,152.64 and 696,729.08

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Solution

The fourth proportional to 1,269,679.28, 1,752,152.64 and 696,729.08 is: 961,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,679.28 : 1,752,152.64 = 696,729.08 : x
  2. Step 2: Convert to fraction form
    1,269,679.28/1,752,152.64 = 696,729.08/x
  3. Step 3: Cross multiply
    1,269,679.28x = 1,752,152.64 × 696,729.08
  4. Step 4: Simplify right side
    1,269,679.28x = 1,220,775,696,886.77
  5. Step 5: Solve for x
    x = 1,220,775,696,886.77/1,269,679.28
  6. Step 6: Final answer
    x = 961,483.51

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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.