Home / 1,186,068-1,779,286.32-398,284.32

Finding the Fourth Proportional to 1,186,068, 1,779,286.32 and 398,284.32

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Solution

The fourth proportional to 1,186,068, 1,779,286.32 and 398,284.32 is: 597,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,068 : 1,779,286.32 = 398,284.32 : x
  2. Step 2: Convert to fraction form
    1,186,068/1,779,286.32 = 398,284.32/x
  3. Step 3: Cross multiply
    1,186,068x = 1,779,286.32 × 398,284.32
  4. Step 4: Simplify right side
    1,186,068x = 708,661,842,046.50
  5. Step 5: Solve for x
    x = 708,661,842,046.50/1,186,068
  6. Step 6: Final answer
    x = 597,488.38

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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.