Home / 1,318,531.38-1,977,796.99-476,886.26

Finding the Fourth Proportional to 1,318,531.38, 1,977,796.99 and 476,886.26

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Solution

The fourth proportional to 1,318,531.38, 1,977,796.99 and 476,886.26 is: 715,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,531.38 : 1,977,796.99 = 476,886.26 : x
  2. Step 2: Convert to fraction form
    1,318,531.38/1,977,796.99 = 476,886.26/x
  3. Step 3: Cross multiply
    1,318,531.38x = 1,977,796.99 × 476,886.26
  4. Step 4: Simplify right side
    1,318,531.38x = 943,184,209,600.36
  5. Step 5: Solve for x
    x = 943,184,209,600.36/1,318,531.38
  6. Step 6: Final answer
    x = 715,329.36

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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.