Home / 1,480,914.45-2,221,371.68-921,042.45

Finding the Fourth Proportional to 1,480,914.45, 2,221,371.68 and 921,042.45

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Solution

The fourth proportional to 1,480,914.45, 2,221,371.68 and 921,042.45 is: 1,381,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,914.45 : 2,221,371.68 = 921,042.45 : x
  2. Step 2: Convert to fraction form
    1,480,914.45/2,221,371.68 = 921,042.45/x
  3. Step 3: Cross multiply
    1,480,914.45x = 2,221,371.68 × 921,042.45
  4. Step 4: Simplify right side
    1,480,914.45x = 2,045,977,609,902.60
  5. Step 5: Solve for x
    x = 2,045,977,609,902.60/1,480,914.45
  6. Step 6: Final answer
    x = 1,381,563.68

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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.