Home / 1,558,912.56-2,151,258-870,565.38

Finding the Fourth Proportional to 1,558,912.56, 2,151,258 and 870,565.38

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Solution

The fourth proportional to 1,558,912.56, 2,151,258 and 870,565.38 is: 1,201,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,912.56 : 2,151,258 = 870,565.38 : x
  2. Step 2: Convert to fraction form
    1,558,912.56/2,151,258 = 870,565.38/x
  3. Step 3: Cross multiply
    1,558,912.56x = 2,151,258 × 870,565.38
  4. Step 4: Simplify right side
    1,558,912.56x = 1,872,810,738,248.04
  5. Step 5: Solve for x
    x = 1,872,810,738,248.04/1,558,912.56
  6. Step 6: Final answer
    x = 1,201,357.14

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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.