Home / 1,158,976.55-1,599,439.37-642,695.72

Finding the Fourth Proportional to 1,158,976.55, 1,599,439.37 and 642,695.72

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Solution

The fourth proportional to 1,158,976.55, 1,599,439.37 and 642,695.72 is: 886,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,976.55 : 1,599,439.37 = 642,695.72 : x
  2. Step 2: Convert to fraction form
    1,158,976.55/1,599,439.37 = 642,695.72/x
  3. Step 3: Cross multiply
    1,158,976.55x = 1,599,439.37 × 642,695.72
  4. Step 4: Simplify right side
    1,158,976.55x = 1,027,952,826,287.82
  5. Step 5: Solve for x
    x = 1,027,952,826,287.82/1,158,976.55
  6. Step 6: Final answer
    x = 886,948.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.