Home / 1,264,903.72-1,897,308.06-318,262.12

Finding the Fourth Proportional to 1,264,903.72, 1,897,308.06 and 318,262.12

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Solution

The fourth proportional to 1,264,903.72, 1,897,308.06 and 318,262.12 is: 477,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,903.72 : 1,897,308.06 = 318,262.12 : x
  2. Step 2: Convert to fraction form
    1,264,903.72/1,897,308.06 = 318,262.12/x
  3. Step 3: Cross multiply
    1,264,903.72x = 1,897,308.06 × 318,262.12
  4. Step 4: Simplify right side
    1,264,903.72x = 603,841,285,468.69
  5. Step 5: Solve for x
    x = 603,841,285,468.69/1,264,903.72
  6. Step 6: Final answer
    x = 477,381.22

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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.