Home / 1,264,868.66-1,897,186.35-423,427.70

Finding the Fourth Proportional to 1,264,868.66, 1,897,186.35 and 423,427.70

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Solution

The fourth proportional to 1,264,868.66, 1,897,186.35 and 423,427.70 is: 635,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,868.66 : 1,897,186.35 = 423,427.70 : x
  2. Step 2: Convert to fraction form
    1,264,868.66/1,897,186.35 = 423,427.70/x
  3. Step 3: Cross multiply
    1,264,868.66x = 1,897,186.35 × 423,427.70
  4. Step 4: Simplify right side
    1,264,868.66x = 803,321,258,982.72
  5. Step 5: Solve for x
    x = 803,321,258,982.72/1,264,868.66
  6. Step 6: Final answer
    x = 635,102.51

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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.