Home / 1,131,504.16-1,561,473.60-648,225.76

Finding the Fourth Proportional to 1,131,504.16, 1,561,473.60 and 648,225.76

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Solution

The fourth proportional to 1,131,504.16, 1,561,473.60 and 648,225.76 is: 894,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,504.16 : 1,561,473.60 = 648,225.76 : x
  2. Step 2: Convert to fraction form
    1,131,504.16/1,561,473.60 = 648,225.76/x
  3. Step 3: Cross multiply
    1,131,504.16x = 1,561,473.60 × 648,225.76
  4. Step 4: Simplify right side
    1,131,504.16x = 1,012,187,411,079.94
  5. Step 5: Solve for x
    x = 1,012,187,411,079.94/1,131,504.16
  6. Step 6: Final answer
    x = 894,550.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.