Home / 1,151,558.64-1,589,153.04-642,293.82

Finding the Fourth Proportional to 1,151,558.64, 1,589,153.04 and 642,293.82

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Solution

The fourth proportional to 1,151,558.64, 1,589,153.04 and 642,293.82 is: 886,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,558.64 : 1,589,153.04 = 642,293.82 : x
  2. Step 2: Convert to fraction form
    1,151,558.64/1,589,153.04 = 642,293.82/x
  3. Step 3: Cross multiply
    1,151,558.64x = 1,589,153.04 × 642,293.82
  4. Step 4: Simplify right side
    1,151,558.64x = 1,020,703,176,626.21
  5. Step 5: Solve for x
    x = 1,020,703,176,626.21/1,151,558.64
  6. Step 6: Final answer
    x = 886,366.65

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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.