Home / 1,318,058.28-1,977,241.02-477,006.12

Finding the Fourth Proportional to 1,318,058.28, 1,977,241.02 and 477,006.12

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Solution

The fourth proportional to 1,318,058.28, 1,977,241.02 and 477,006.12 is: 715,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,058.28 : 1,977,241.02 = 477,006.12 : x
  2. Step 2: Convert to fraction form
    1,318,058.28/1,977,241.02 = 477,006.12/x
  3. Step 3: Cross multiply
    1,318,058.28x = 1,977,241.02 × 477,006.12
  4. Step 4: Simplify right side
    1,318,058.28x = 943,156,067,255.04
  5. Step 5: Solve for x
    x = 943,156,067,255.04/1,318,058.28
  6. Step 6: Final answer
    x = 715,564.77

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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.