Home / 1,287,202.58-1,930,056.14-488,048.18

Finding the Fourth Proportional to 1,287,202.58, 1,930,056.14 and 488,048.18

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Solution

The fourth proportional to 1,287,202.58, 1,930,056.14 and 488,048.18 is: 731,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,202.58 : 1,930,056.14 = 488,048.18 : x
  2. Step 2: Convert to fraction form
    1,287,202.58/1,930,056.14 = 488,048.18/x
  3. Step 3: Cross multiply
    1,287,202.58x = 1,930,056.14 × 488,048.18
  4. Step 4: Simplify right side
    1,287,202.58x = 941,960,377,994.67
  5. Step 5: Solve for x
    x = 941,960,377,994.67/1,287,202.58
  6. Step 6: Final answer
    x = 731,788.76

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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.