Home / 1,046,634.63-1,444,580.91-638,649.11

Finding the Fourth Proportional to 1,046,634.63, 1,444,580.91 and 638,649.11

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Solution

The fourth proportional to 1,046,634.63, 1,444,580.91 and 638,649.11 is: 881,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,634.63 : 1,444,580.91 = 638,649.11 : x
  2. Step 2: Convert to fraction form
    1,046,634.63/1,444,580.91 = 638,649.11/x
  3. Step 3: Cross multiply
    1,046,634.63x = 1,444,580.91 × 638,649.11
  4. Step 4: Simplify right side
    1,046,634.63x = 922,580,305,271.59
  5. Step 5: Solve for x
    x = 922,580,305,271.59/1,046,634.63
  6. Step 6: Final answer
    x = 881,473.13

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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.