Home / 1,650,999.50-2,275,294.21-1,287,848.15

Finding the Fourth Proportional to 1,650,999.50, 2,275,294.21 and 1,287,848.15

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Solution

The fourth proportional to 1,650,999.50, 2,275,294.21 and 1,287,848.15 is: 1,774,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,999.50 : 2,275,294.21 = 1,287,848.15 : x
  2. Step 2: Convert to fraction form
    1,650,999.50/2,275,294.21 = 1,287,848.15/x
  3. Step 3: Cross multiply
    1,650,999.50x = 2,275,294.21 × 1,287,848.15
  4. Step 4: Simplify right side
    1,650,999.50x = 2,930,233,439,054.21
  5. Step 5: Solve for x
    x = 2,930,233,439,054.21/1,650,999.50
  6. Step 6: Final answer
    x = 1,774,823.94

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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.