Home / 1,490,072.76-2,056,304.41-845,491.26

Finding the Fourth Proportional to 1,490,072.76, 2,056,304.41 and 845,491.26

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Solution

The fourth proportional to 1,490,072.76, 2,056,304.41 and 845,491.26 is: 1,166,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,072.76 : 2,056,304.41 = 845,491.26 : x
  2. Step 2: Convert to fraction form
    1,490,072.76/2,056,304.41 = 845,491.26/x
  3. Step 3: Cross multiply
    1,490,072.76x = 2,056,304.41 × 845,491.26
  4. Step 4: Simplify right side
    1,490,072.76x = 1,738,587,409,196.62
  5. Step 5: Solve for x
    x = 1,738,587,409,196.62/1,490,072.76
  6. Step 6: Final answer
    x = 1,166,780.21

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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.