Home / 1,015,237.80-1,522,419.30-509,603.40

Finding the Fourth Proportional to 1,015,237.80, 1,522,419.30 and 509,603.40

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Solution

The fourth proportional to 1,015,237.80, 1,522,419.30 and 509,603.40 is: 764,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,237.80 : 1,522,419.30 = 509,603.40 : x
  2. Step 2: Convert to fraction form
    1,015,237.80/1,522,419.30 = 509,603.40/x
  3. Step 3: Cross multiply
    1,015,237.80x = 1,522,419.30 × 509,603.40
  4. Step 4: Simplify right side
    1,015,237.80x = 775,830,051,505.62
  5. Step 5: Solve for x
    x = 775,830,051,505.62/1,015,237.80
  6. Step 6: Final answer
    x = 764,185.55

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1.5x scale

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.