Home / 1,020,893.44-1,531,340.16-272,920

Finding the Fourth Proportional to 1,020,893.44, 1,531,340.16 and 272,920

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Solution

The fourth proportional to 1,020,893.44, 1,531,340.16 and 272,920 is: 409,380

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,893.44 : 1,531,340.16 = 272,920 : x
  2. Step 2: Convert to fraction form
    1,020,893.44/1,531,340.16 = 272,920/x
  3. Step 3: Cross multiply
    1,020,893.44x = 1,531,340.16 × 272,920
  4. Step 4: Simplify right side
    1,020,893.44x = 417,933,356,467.20
  5. Step 5: Solve for x
    x = 417,933,356,467.20/1,020,893.44
  6. Step 6: Final answer
    x = 409,380

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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.