Home / 1,020,825.70-1,531,121.90-272,930.02

Finding the Fourth Proportional to 1,020,825.70, 1,531,121.90 and 272,930.02

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Solution

The fourth proportional to 1,020,825.70, 1,531,121.90 and 272,930.02 is: 409,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,825.70 : 1,531,121.90 = 272,930.02 : x
  2. Step 2: Convert to fraction form
    1,020,825.70/1,531,121.90 = 272,930.02/x
  3. Step 3: Cross multiply
    1,020,825.70x = 1,531,121.90 × 272,930.02
  4. Step 4: Simplify right side
    1,020,825.70x = 417,889,130,789.44
  5. Step 5: Solve for x
    x = 417,889,130,789.44/1,020,825.70
  6. Step 6: Final answer
    x = 409,363.84

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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.