Home / 1,079,757.07-1,490,064.74-627,077.23

Finding the Fourth Proportional to 1,079,757.07, 1,490,064.74 and 627,077.23

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Solution

The fourth proportional to 1,079,757.07, 1,490,064.74 and 627,077.23 is: 865,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,757.07 : 1,490,064.74 = 627,077.23 : x
  2. Step 2: Convert to fraction form
    1,079,757.07/1,490,064.74 = 627,077.23/x
  3. Step 3: Cross multiply
    1,079,757.07x = 1,490,064.74 × 627,077.23
  4. Step 4: Simplify right side
    1,079,757.07x = 934,385,666,544.48
  5. Step 5: Solve for x
    x = 934,385,666,544.48/1,079,757.07
  6. Step 6: Final answer
    x = 865,366.56

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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.