Home / 1,119,944.40-1,679,479.80-488,427.60

Finding the Fourth Proportional to 1,119,944.40, 1,679,479.80 and 488,427.60

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Solution

The fourth proportional to 1,119,944.40, 1,679,479.80 and 488,427.60 is: 732,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,944.40 : 1,679,479.80 = 488,427.60 : x
  2. Step 2: Convert to fraction form
    1,119,944.40/1,679,479.80 = 488,427.60/x
  3. Step 3: Cross multiply
    1,119,944.40x = 1,679,479.80 × 488,427.60
  4. Step 4: Simplify right side
    1,119,944.40x = 820,304,287,962.48
  5. Step 5: Solve for x
    x = 820,304,287,962.48/1,119,944.40
  6. Step 6: Final answer
    x = 732,450.90

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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.