Home / 1,332,670.43-1,838,628.84-1,087,227.52

Finding the Fourth Proportional to 1,332,670.43, 1,838,628.84 and 1,087,227.52

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Solution

The fourth proportional to 1,332,670.43, 1,838,628.84 and 1,087,227.52 is: 1,500,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,670.43 : 1,838,628.84 = 1,087,227.52 : x
  2. Step 2: Convert to fraction form
    1,332,670.43/1,838,628.84 = 1,087,227.52/x
  3. Step 3: Cross multiply
    1,332,670.43x = 1,838,628.84 × 1,087,227.52
  4. Step 4: Simplify right side
    1,332,670.43x = 1,999,007,882,499.79
  5. Step 5: Solve for x
    x = 1,999,007,882,499.79/1,332,670.43
  6. Step 6: Final answer
    x = 1,500,001.67

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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.