Home / 1,020,512.49-1,531,714.59-515,428.17

Finding the Fourth Proportional to 1,020,512.49, 1,531,714.59 and 515,428.17

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Solution

The fourth proportional to 1,020,512.49, 1,531,714.59 and 515,428.17 is: 773,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,512.49 : 1,531,714.59 = 515,428.17 : x
  2. Step 2: Convert to fraction form
    1,020,512.49/1,531,714.59 = 515,428.17/x
  3. Step 3: Cross multiply
    1,020,512.49x = 1,531,714.59 × 515,428.17
  4. Step 4: Simplify right side
    1,020,512.49x = 789,488,848,086.00
  5. Step 5: Solve for x
    x = 789,488,848,086.00/1,020,512.49
  6. Step 6: Final answer
    x = 773,619.98

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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.