Home / 1,178,661.40-1,767,992.10-992,037.40

Finding the Fourth Proportional to 1,178,661.40, 1,767,992.10 and 992,037.40

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Solution

The fourth proportional to 1,178,661.40, 1,767,992.10 and 992,037.40 is: 1,488,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,661.40 : 1,767,992.10 = 992,037.40 : x
  2. Step 2: Convert to fraction form
    1,178,661.40/1,767,992.10 = 992,037.40/x
  3. Step 3: Cross multiply
    1,178,661.40x = 1,767,992.10 × 992,037.40
  4. Step 4: Simplify right side
    1,178,661.40x = 1,753,914,286,104.54
  5. Step 5: Solve for x
    x = 1,753,914,286,104.54/1,178,661.40
  6. Step 6: Final answer
    x = 1,488,056.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.