Home / 1,427,800.50-1,970,364.69-824,188.50

Finding the Fourth Proportional to 1,427,800.50, 1,970,364.69 and 824,188.50

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Solution

The fourth proportional to 1,427,800.50, 1,970,364.69 and 824,188.50 is: 1,137,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,800.50 : 1,970,364.69 = 824,188.50 : x
  2. Step 2: Convert to fraction form
    1,427,800.50/1,970,364.69 = 824,188.50/x
  3. Step 3: Cross multiply
    1,427,800.50x = 1,970,364.69 × 824,188.50
  4. Step 4: Simplify right side
    1,427,800.50x = 1,623,951,918,304.07
  5. Step 5: Solve for x
    x = 1,623,951,918,304.07/1,427,800.50
  6. Step 6: Final answer
    x = 1,137,380.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.