Home / 1,396,138.32-1,927,643.40-937,950.48

Finding the Fourth Proportional to 1,396,138.32, 1,927,643.40 and 937,950.48

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Solution

The fourth proportional to 1,396,138.32, 1,927,643.40 and 937,950.48 is: 1,295,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,138.32 : 1,927,643.40 = 937,950.48 : x
  2. Step 2: Convert to fraction form
    1,396,138.32/1,927,643.40 = 937,950.48/x
  3. Step 3: Cross multiply
    1,396,138.32x = 1,927,643.40 × 937,950.48
  4. Step 4: Simplify right side
    1,396,138.32x = 1,808,034,052,298.83
  5. Step 5: Solve for x
    x = 1,808,034,052,298.83/1,396,138.32
  6. Step 6: Final answer
    x = 1,295,025.02

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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.