Home / 1,120,478.92-1,679,654.58-446,973.64

Finding the Fourth Proportional to 1,120,478.92, 1,679,654.58 and 446,973.64

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Solution

The fourth proportional to 1,120,478.92, 1,679,654.58 and 446,973.64 is: 670,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,478.92 : 1,679,654.58 = 446,973.64 : x
  2. Step 2: Convert to fraction form
    1,120,478.92/1,679,654.58 = 446,973.64/x
  3. Step 3: Cross multiply
    1,120,478.92x = 1,679,654.58 × 446,973.64
  4. Step 4: Simplify right side
    1,120,478.92x = 750,761,321,565.27
  5. Step 5: Solve for x
    x = 750,761,321,565.27/1,120,478.92
  6. Step 6: Final answer
    x = 670,036.10

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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.