Home / 1,431,622.66-1,975,640.53-787,053.82

Finding the Fourth Proportional to 1,431,622.66, 1,975,640.53 and 787,053.82

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Solution

The fourth proportional to 1,431,622.66, 1,975,640.53 and 787,053.82 is: 1,086,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,622.66 : 1,975,640.53 = 787,053.82 : x
  2. Step 2: Convert to fraction form
    1,431,622.66/1,975,640.53 = 787,053.82/x
  3. Step 3: Cross multiply
    1,431,622.66x = 1,975,640.53 × 787,053.82
  4. Step 4: Simplify right side
    1,431,622.66x = 1,554,935,426,083.32
  5. Step 5: Solve for x
    x = 1,554,935,426,083.32/1,431,622.66
  6. Step 6: Final answer
    x = 1,086,134.96

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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.