Home / 1,119,985.46-1,679,978.26-446,539.69

Finding the Fourth Proportional to 1,119,985.46, 1,679,978.26 and 446,539.69

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Solution

The fourth proportional to 1,119,985.46, 1,679,978.26 and 446,539.69 is: 669,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,985.46 : 1,679,978.26 = 446,539.69 : x
  2. Step 2: Convert to fraction form
    1,119,985.46/1,679,978.26 = 446,539.69/x
  3. Step 3: Cross multiply
    1,119,985.46x = 1,679,978.26 × 446,539.69
  4. Step 4: Simplify right side
    1,119,985.46x = 750,176,972,410.76
  5. Step 5: Solve for x
    x = 750,176,972,410.76/1,119,985.46
  6. Step 6: Final answer
    x = 669,809.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.