Home / 1,472,605.70-2,208,908.55-764,017.70

Finding the Fourth Proportional to 1,472,605.70, 2,208,908.55 and 764,017.70

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Solution

The fourth proportional to 1,472,605.70, 2,208,908.55 and 764,017.70 is: 1,146,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,605.70 : 2,208,908.55 = 764,017.70 : x
  2. Step 2: Convert to fraction form
    1,472,605.70/2,208,908.55 = 764,017.70/x
  3. Step 3: Cross multiply
    1,472,605.70x = 2,208,908.55 × 764,017.70
  4. Step 4: Simplify right side
    1,472,605.70x = 1,687,645,229,881.33
  5. Step 5: Solve for x
    x = 1,687,645,229,881.33/1,472,605.70
  6. Step 6: Final answer
    x = 1,146,026.55

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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.