Home / 1,143,765.95-1,715,661.25-345,054.42

Finding the Fourth Proportional to 1,143,765.95, 1,715,661.25 and 345,054.42

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Solution

The fourth proportional to 1,143,765.95, 1,715,661.25 and 345,054.42 is: 517,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,765.95 : 1,715,661.25 = 345,054.42 : x
  2. Step 2: Convert to fraction form
    1,143,765.95/1,715,661.25 = 345,054.42/x
  3. Step 3: Cross multiply
    1,143,765.95x = 1,715,661.25 × 345,054.42
  4. Step 4: Simplify right side
    1,143,765.95x = 591,996,496,672.59
  5. Step 5: Solve for x
    x = 591,996,496,672.59/1,143,765.95
  6. Step 6: Final answer
    x = 517,585.35

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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.