Home / 1,450,609.64-2,174,071.90-819,878.12

Finding the Fourth Proportional to 1,450,609.64, 2,174,071.90 and 819,878.12

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Solution

The fourth proportional to 1,450,609.64, 2,174,071.90 and 819,878.12 is: 1,228,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,609.64 : 2,174,071.90 = 819,878.12 : x
  2. Step 2: Convert to fraction form
    1,450,609.64/2,174,071.90 = 819,878.12/x
  3. Step 3: Cross multiply
    1,450,609.64x = 2,174,071.90 × 819,878.12
  4. Step 4: Simplify right side
    1,450,609.64x = 1,782,473,982,116.83
  5. Step 5: Solve for x
    x = 1,782,473,982,116.83/1,450,609.64
  6. Step 6: Final answer
    x = 1,228,775.77

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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.