Home / 1,428,928-2,142,749.76-1,027,888

Finding the Fourth Proportional to 1,428,928, 2,142,749.76 and 1,027,888

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Solution

The fourth proportional to 1,428,928, 2,142,749.76 and 1,027,888 is: 1,541,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,928 : 2,142,749.76 = 1,027,888 : x
  2. Step 2: Convert to fraction form
    1,428,928/2,142,749.76 = 1,027,888/x
  3. Step 3: Cross multiply
    1,428,928x = 2,142,749.76 × 1,027,888
  4. Step 4: Simplify right side
    1,428,928x = 2,202,506,765,306.88
  5. Step 5: Solve for x
    x = 2,202,506,765,306.88/1,428,928
  6. Step 6: Final answer
    x = 1,541,370.01

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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.