Home / 1,046,634.15-1,444,580.22-638,648.58

Finding the Fourth Proportional to 1,046,634.15, 1,444,580.22 and 638,648.58

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Solution

The fourth proportional to 1,046,634.15, 1,444,580.22 and 638,648.58 is: 881,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,634.15 : 1,444,580.22 = 638,648.58 : x
  2. Step 2: Convert to fraction form
    1,046,634.15/1,444,580.22 = 638,648.58/x
  3. Step 3: Cross multiply
    1,046,634.15x = 1,444,580.22 × 638,648.58
  4. Step 4: Simplify right side
    1,046,634.15x = 922,579,106,199.09
  5. Step 5: Solve for x
    x = 922,579,106,199.09/1,046,634.15
  6. Step 6: Final answer
    x = 881,472.39

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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.