Home / 1,615,290.94-2,229,116.12-890,164.63

Finding the Fourth Proportional to 1,615,290.94, 2,229,116.12 and 890,164.63

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Solution

The fourth proportional to 1,615,290.94, 2,229,116.12 and 890,164.63 is: 1,228,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,290.94 : 2,229,116.12 = 890,164.63 : x
  2. Step 2: Convert to fraction form
    1,615,290.94/2,229,116.12 = 890,164.63/x
  3. Step 3: Cross multiply
    1,615,290.94x = 2,229,116.12 × 890,164.63
  4. Step 4: Simplify right side
    1,615,290.94x = 1,984,280,326,186.84
  5. Step 5: Solve for x
    x = 1,984,280,326,186.84/1,615,290.94
  6. Step 6: Final answer
    x = 1,228,435.25

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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.