Home / 1,789,133.78-2,684,283.88-842,600.18

Finding the Fourth Proportional to 1,789,133.78, 2,684,283.88 and 842,600.18

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Solution

The fourth proportional to 1,789,133.78, 2,684,283.88 and 842,600.18 is: 1,264,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,133.78 : 2,684,283.88 = 842,600.18 : x
  2. Step 2: Convert to fraction form
    1,789,133.78/2,684,283.88 = 842,600.18/x
  3. Step 3: Cross multiply
    1,789,133.78x = 2,684,283.88 × 842,600.18
  4. Step 4: Simplify right side
    1,789,133.78x = 2,261,778,080,459.10
  5. Step 5: Solve for x
    x = 2,261,778,080,459.10/1,789,133.78
  6. Step 6: Final answer
    x = 1,264,174.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.