Home / 1,383,493.69-2,070,984.20-902,686.20

Finding the Fourth Proportional to 1,383,493.69, 2,070,984.20 and 902,686.20

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Solution

The fourth proportional to 1,383,493.69, 2,070,984.20 and 902,686.20 is: 1,351,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,493.69 : 2,070,984.20 = 902,686.20 : x
  2. Step 2: Convert to fraction form
    1,383,493.69/2,070,984.20 = 902,686.20/x
  3. Step 3: Cross multiply
    1,383,493.69x = 2,070,984.20 × 902,686.20
  4. Step 4: Simplify right side
    1,383,493.69x = 1,869,448,866,685.67
  5. Step 5: Solve for x
    x = 1,869,448,866,685.67/1,383,493.69
  6. Step 6: Final answer
    x = 1,351,252.18

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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.