Home / 4,005,140.87-6,007,711.32-972,486.32

Finding the Fourth Proportional to 4,005,140.87, 6,007,711.32 and 972,486.32

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Solution

The fourth proportional to 4,005,140.87, 6,007,711.32 and 972,486.32 is: 1,458,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,140.87 : 6,007,711.32 = 972,486.32 : x
  2. Step 2: Convert to fraction form
    4,005,140.87/6,007,711.32 = 972,486.32/x
  3. Step 3: Cross multiply
    4,005,140.87x = 6,007,711.32 × 972,486.32
  4. Step 4: Simplify right side
    4,005,140.87x = 5,842,417,043,170.59
  5. Step 5: Solve for x
    x = 5,842,417,043,170.59/4,005,140.87
  6. Step 6: Final answer
    x = 1,458,729.48

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Double scale
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Similar ratio
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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.