Home / 1,119,989.46-1,679,984.27-446,543.70

Finding the Fourth Proportional to 1,119,989.46, 1,679,984.27 and 446,543.70

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Solution

The fourth proportional to 1,119,989.46, 1,679,984.27 and 446,543.70 is: 669,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,989.46 : 1,679,984.27 = 446,543.70 : x
  2. Step 2: Convert to fraction form
    1,119,989.46/1,679,984.27 = 446,543.70/x
  3. Step 3: Cross multiply
    1,119,989.46x = 1,679,984.27 × 446,543.70
  4. Step 4: Simplify right side
    1,119,989.46x = 750,186,391,867.60
  5. Step 5: Solve for x
    x = 750,186,391,867.60/1,119,989.46
  6. Step 6: Final answer
    x = 669,815.58

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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.