Home / 1,449,605.48-2,001,456.41-905,985.63

Finding the Fourth Proportional to 1,449,605.48, 2,001,456.41 and 905,985.63

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Solution

The fourth proportional to 1,449,605.48, 2,001,456.41 and 905,985.63 is: 1,250,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,605.48 : 2,001,456.41 = 905,985.63 : x
  2. Step 2: Convert to fraction form
    1,449,605.48/2,001,456.41 = 905,985.63/x
  3. Step 3: Cross multiply
    1,449,605.48x = 2,001,456.41 × 905,985.63
  4. Step 4: Simplify right side
    1,449,605.48x = 1,813,290,742,001.46
  5. Step 5: Solve for x
    x = 1,813,290,742,001.46/1,449,605.48
  6. Step 6: Final answer
    x = 1,250,885.69

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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.