Home / 1,078,007.46-1,487,718.27-619,265.58

Finding the Fourth Proportional to 1,078,007.46, 1,487,718.27 and 619,265.58

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Solution

The fourth proportional to 1,078,007.46, 1,487,718.27 and 619,265.58 is: 854,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,007.46 : 1,487,718.27 = 619,265.58 : x
  2. Step 2: Convert to fraction form
    1,078,007.46/1,487,718.27 = 619,265.58/x
  3. Step 3: Cross multiply
    1,078,007.46x = 1,487,718.27 × 619,265.58
  4. Step 4: Simplify right side
    1,078,007.46x = 921,292,717,348.15
  5. Step 5: Solve for x
    x = 921,292,717,348.15/1,078,007.46
  6. Step 6: Final answer
    x = 854,625.55

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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.