Home / 1,046,642.55-1,444,522.92-638,980.71

Finding the Fourth Proportional to 1,046,642.55, 1,444,522.92 and 638,980.71

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Solution

The fourth proportional to 1,046,642.55, 1,444,522.92 and 638,980.71 is: 881,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,642.55 : 1,444,522.92 = 638,980.71 : x
  2. Step 2: Convert to fraction form
    1,046,642.55/1,444,522.92 = 638,980.71/x
  3. Step 3: Cross multiply
    1,046,642.55x = 1,444,522.92 × 638,980.71
  4. Step 4: Simplify right side
    1,046,642.55x = 923,022,273,219.74
  5. Step 5: Solve for x
    x = 923,022,273,219.74/1,046,642.55
  6. Step 6: Final answer
    x = 881,888.74

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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.