Home / 1,264,870.17-1,897,188.60-423,429.21

Finding the Fourth Proportional to 1,264,870.17, 1,897,188.60 and 423,429.21

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Solution

The fourth proportional to 1,264,870.17, 1,897,188.60 and 423,429.21 is: 635,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,870.17 : 1,897,188.60 = 423,429.21 : x
  2. Step 2: Convert to fraction form
    1,264,870.17/1,897,188.60 = 423,429.21/x
  3. Step 3: Cross multiply
    1,264,870.17x = 1,897,188.60 × 423,429.21
  4. Step 4: Simplify right side
    1,264,870.17x = 803,325,070,119.01
  5. Step 5: Solve for x
    x = 803,325,070,119.01/1,264,870.17
  6. Step 6: Final answer
    x = 635,104.76

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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.