Home / 1,080,203.48-1,490,635.14-621,283.40

Finding the Fourth Proportional to 1,080,203.48, 1,490,635.14 and 621,283.40

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Solution

The fourth proportional to 1,080,203.48, 1,490,635.14 and 621,283.40 is: 857,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,203.48 : 1,490,635.14 = 621,283.40 : x
  2. Step 2: Convert to fraction form
    1,080,203.48/1,490,635.14 = 621,283.40/x
  3. Step 3: Cross multiply
    1,080,203.48x = 1,490,635.14 × 621,283.40
  4. Step 4: Simplify right side
    1,080,203.48x = 926,106,867,938.68
  5. Step 5: Solve for x
    x = 926,106,867,938.68/1,080,203.48
  6. Step 6: Final answer
    x = 857,344.83

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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.