Home / 1,224,037.94-1,689,327.69-740,607.05

Finding the Fourth Proportional to 1,224,037.94, 1,689,327.69 and 740,607.05

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Solution

The fourth proportional to 1,224,037.94, 1,689,327.69 and 740,607.05 is: 1,022,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,037.94 : 1,689,327.69 = 740,607.05 : x
  2. Step 2: Convert to fraction form
    1,224,037.94/1,689,327.69 = 740,607.05/x
  3. Step 3: Cross multiply
    1,224,037.94x = 1,689,327.69 × 740,607.05
  4. Step 4: Simplify right side
    1,224,037.94x = 1,251,127,996,974.21
  5. Step 5: Solve for x
    x = 1,251,127,996,974.21/1,224,037.94
  6. Step 6: Final answer
    x = 1,022,131.71

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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.