Home / 1,020,887.50-1,531,214.49-272,991.82

Finding the Fourth Proportional to 1,020,887.50, 1,531,214.49 and 272,991.82

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Solution

The fourth proportional to 1,020,887.50, 1,531,214.49 and 272,991.82 is: 409,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,887.50 : 1,531,214.49 = 272,991.82 : x
  2. Step 2: Convert to fraction form
    1,020,887.50/1,531,214.49 = 272,991.82/x
  3. Step 3: Cross multiply
    1,020,887.50x = 1,531,214.49 × 272,991.82
  4. Step 4: Simplify right side
    1,020,887.50x = 418,009,030,435.47
  5. Step 5: Solve for x
    x = 418,009,030,435.47/1,020,887.50
  6. Step 6: Final answer
    x = 409,456.51

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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.