Home / 1,154,699.64-1,731,606.66-396,399.78

Finding the Fourth Proportional to 1,154,699.64, 1,731,606.66 and 396,399.78

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Solution

The fourth proportional to 1,154,699.64, 1,731,606.66 and 396,399.78 is: 594,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,699.64 : 1,731,606.66 = 396,399.78 : x
  2. Step 2: Convert to fraction form
    1,154,699.64/1,731,606.66 = 396,399.78/x
  3. Step 3: Cross multiply
    1,154,699.64x = 1,731,606.66 × 396,399.78
  4. Step 4: Simplify right side
    1,154,699.64x = 686,408,499,070.54
  5. Step 5: Solve for x
    x = 686,408,499,070.54/1,154,699.64
  6. Step 6: Final answer
    x = 594,447.66

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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.