Home / 1,662,037.80-2,492,327.70-763,180.80

Finding the Fourth Proportional to 1,662,037.80, 2,492,327.70 and 763,180.80

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Solution

The fourth proportional to 1,662,037.80, 2,492,327.70 and 763,180.80 is: 1,144,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,037.80 : 2,492,327.70 = 763,180.80 : x
  2. Step 2: Convert to fraction form
    1,662,037.80/2,492,327.70 = 763,180.80/x
  3. Step 3: Cross multiply
    1,662,037.80x = 2,492,327.70 × 763,180.80
  4. Step 4: Simplify right side
    1,662,037.80x = 1,902,096,647,948.16
  5. Step 5: Solve for x
    x = 1,902,096,647,948.16/1,662,037.80
  6. Step 6: Final answer
    x = 1,144,436.46

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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.