Home / 1,490,294.65-2,234,188.09-648,212.17

Finding the Fourth Proportional to 1,490,294.65, 2,234,188.09 and 648,212.17

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Solution

The fourth proportional to 1,490,294.65, 2,234,188.09 and 648,212.17 is: 971,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,294.65 : 2,234,188.09 = 648,212.17 : x
  2. Step 2: Convert to fraction form
    1,490,294.65/2,234,188.09 = 648,212.17/x
  3. Step 3: Cross multiply
    1,490,294.65x = 2,234,188.09 × 648,212.17
  4. Step 4: Simplify right side
    1,490,294.65x = 1,448,227,910,007.06
  5. Step 5: Solve for x
    x = 1,448,227,910,007.06/1,490,294.65
  6. Step 6: Final answer
    x = 971,772.87

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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.