Home / 1,603,381.88-2,404,988.58-538,445.72

Finding the Fourth Proportional to 1,603,381.88, 2,404,988.58 and 538,445.72

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Solution

The fourth proportional to 1,603,381.88, 2,404,988.58 and 538,445.72 is: 807,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,381.88 : 2,404,988.58 = 538,445.72 : x
  2. Step 2: Convert to fraction form
    1,603,381.88/2,404,988.58 = 538,445.72/x
  3. Step 3: Cross multiply
    1,603,381.88x = 2,404,988.58 × 538,445.72
  4. Step 4: Simplify right side
    1,603,381.88x = 1,294,955,807,549.88
  5. Step 5: Solve for x
    x = 1,294,955,807,549.88/1,603,381.88
  6. Step 6: Final answer
    x = 807,640.29

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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.