Home / 1,243,502.72-1,865,055.04-444,635.20

Finding the Fourth Proportional to 1,243,502.72, 1,865,055.04 and 444,635.20

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Solution

The fourth proportional to 1,243,502.72, 1,865,055.04 and 444,635.20 is: 666,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,502.72 : 1,865,055.04 = 444,635.20 : x
  2. Step 2: Convert to fraction form
    1,243,502.72/1,865,055.04 = 444,635.20/x
  3. Step 3: Cross multiply
    1,243,502.72x = 1,865,055.04 × 444,635.20
  4. Step 4: Simplify right side
    1,243,502.72x = 829,269,120,721.41
  5. Step 5: Solve for x
    x = 829,269,120,721.41/1,243,502.72
  6. Step 6: Final answer
    x = 666,881.63

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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.