Home / 1,272,716.51-1,756,355.68-749,449.83

Finding the Fourth Proportional to 1,272,716.51, 1,756,355.68 and 749,449.83

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Solution

The fourth proportional to 1,272,716.51, 1,756,355.68 and 749,449.83 is: 1,034,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,716.51 : 1,756,355.68 = 749,449.83 : x
  2. Step 2: Convert to fraction form
    1,272,716.51/1,756,355.68 = 749,449.83/x
  3. Step 3: Cross multiply
    1,272,716.51x = 1,756,355.68 × 749,449.83
  4. Step 4: Simplify right side
    1,272,716.51x = 1,316,300,453,266.51
  5. Step 5: Solve for x
    x = 1,316,300,453,266.51/1,272,716.51
  6. Step 6: Final answer
    x = 1,034,244.82

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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.