Home / 1,154,126.90-1,731,379.89-355,408.58

Finding the Fourth Proportional to 1,154,126.90, 1,731,379.89 and 355,408.58

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Solution

The fourth proportional to 1,154,126.90, 1,731,379.89 and 355,408.58 is: 533,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,126.90 : 1,731,379.89 = 355,408.58 : x
  2. Step 2: Convert to fraction form
    1,154,126.90/1,731,379.89 = 355,408.58/x
  3. Step 3: Cross multiply
    1,154,126.90x = 1,731,379.89 × 355,408.58
  4. Step 4: Simplify right side
    1,154,126.90x = 615,347,268,145.46
  5. Step 5: Solve for x
    x = 615,347,268,145.46/1,154,126.90
  6. Step 6: Final answer
    x = 533,171.24

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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.