Home / 1,246,318.40-1,869,477.60-447,723.20

Finding the Fourth Proportional to 1,246,318.40, 1,869,477.60 and 447,723.20

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Solution

The fourth proportional to 1,246,318.40, 1,869,477.60 and 447,723.20 is: 671,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,318.40 : 1,869,477.60 = 447,723.20 : x
  2. Step 2: Convert to fraction form
    1,246,318.40/1,869,477.60 = 447,723.20/x
  3. Step 3: Cross multiply
    1,246,318.40x = 1,869,477.60 × 447,723.20
  4. Step 4: Simplify right side
    1,246,318.40x = 837,008,493,400.32
  5. Step 5: Solve for x
    x = 837,008,493,400.32/1,246,318.40
  6. Step 6: Final answer
    x = 671,584.80

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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.