Home / 1,133,962.21-1,700,900.78-281,036.66

Finding the Fourth Proportional to 1,133,962.21, 1,700,900.78 and 281,036.66

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Solution

The fourth proportional to 1,133,962.21, 1,700,900.78 and 281,036.66 is: 421,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,962.21 : 1,700,900.78 = 281,036.66 : x
  2. Step 2: Convert to fraction form
    1,133,962.21/1,700,900.78 = 281,036.66/x
  3. Step 3: Cross multiply
    1,133,962.21x = 1,700,900.78 × 281,036.66
  4. Step 4: Simplify right side
    1,133,962.21x = 478,015,474,202.60
  5. Step 5: Solve for x
    x = 478,015,474,202.60/1,133,962.21
  6. Step 6: Final answer
    x = 421,544.45

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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.