Home / 1,118,625.70-1,677,938.55-488,769.70

Finding the Fourth Proportional to 1,118,625.70, 1,677,938.55 and 488,769.70

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Solution

The fourth proportional to 1,118,625.70, 1,677,938.55 and 488,769.70 is: 733,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,625.70 : 1,677,938.55 = 488,769.70 : x
  2. Step 2: Convert to fraction form
    1,118,625.70/1,677,938.55 = 488,769.70/x
  3. Step 3: Cross multiply
    1,118,625.70x = 1,677,938.55 × 488,769.70
  4. Step 4: Simplify right side
    1,118,625.70x = 820,125,521,701.94
  5. Step 5: Solve for x
    x = 820,125,521,701.94/1,118,625.70
  6. Step 6: Final answer
    x = 733,154.55

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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.