Home / 1,272,921.48-1,756,625.38-749,935.72

Finding the Fourth Proportional to 1,272,921.48, 1,756,625.38 and 749,935.72

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Solution

The fourth proportional to 1,272,921.48, 1,756,625.38 and 749,935.72 is: 1,034,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,921.48 : 1,756,625.38 = 749,935.72 : x
  2. Step 2: Convert to fraction form
    1,272,921.48/1,756,625.38 = 749,935.72/x
  3. Step 3: Cross multiply
    1,272,921.48x = 1,756,625.38 × 749,935.72
  4. Step 4: Simplify right side
    1,272,921.48x = 1,317,356,119,120.57
  5. Step 5: Solve for x
    x = 1,317,356,119,120.57/1,272,921.48
  6. Step 6: Final answer
    x = 1,034,907.60

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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.