Home / 1,154,237.42-1,731,356.16-312,789.14

Finding the Fourth Proportional to 1,154,237.42, 1,731,356.16 and 312,789.14

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Solution

The fourth proportional to 1,154,237.42, 1,731,356.16 and 312,789.14 is: 469,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,237.42 : 1,731,356.16 = 312,789.14 : x
  2. Step 2: Convert to fraction form
    1,154,237.42/1,731,356.16 = 312,789.14/x
  3. Step 3: Cross multiply
    1,154,237.42x = 1,731,356.16 × 312,789.14
  4. Step 4: Simplify right side
    1,154,237.42x = 541,549,404,320.10
  5. Step 5: Solve for x
    x = 541,549,404,320.10/1,154,237.42
  6. Step 6: Final answer
    x = 469,183.72

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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.