Home / 1,208,423.28-1,812,637.80-366,981.36

Finding the Fourth Proportional to 1,208,423.28, 1,812,637.80 and 366,981.36

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Solution

The fourth proportional to 1,208,423.28, 1,812,637.80 and 366,981.36 is: 550,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,423.28 : 1,812,637.80 = 366,981.36 : x
  2. Step 2: Convert to fraction form
    1,208,423.28/1,812,637.80 = 366,981.36/x
  3. Step 3: Cross multiply
    1,208,423.28x = 1,812,637.80 × 366,981.36
  4. Step 4: Simplify right side
    1,208,423.28x = 665,204,285,031.41
  5. Step 5: Solve for x
    x = 665,204,285,031.41/1,208,423.28
  6. Step 6: Final answer
    x = 550,472.91

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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.