Home / 1,046,635.38-1,444,581.95-638,649.86

Finding the Fourth Proportional to 1,046,635.38, 1,444,581.95 and 638,649.86

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Solution

The fourth proportional to 1,046,635.38, 1,444,581.95 and 638,649.86 is: 881,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,635.38 : 1,444,581.95 = 638,649.86 : x
  2. Step 2: Convert to fraction form
    1,046,635.38/1,444,581.95 = 638,649.86/x
  3. Step 3: Cross multiply
    1,046,635.38x = 1,444,581.95 × 638,649.86
  4. Step 4: Simplify right side
    1,046,635.38x = 922,582,049,709.87
  5. Step 5: Solve for x
    x = 922,582,049,709.87/1,046,635.38
  6. Step 6: Final answer
    x = 881,474.17

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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.