Home / 1,638,931.04-2,262,087.88-1,064,974.80

Finding the Fourth Proportional to 1,638,931.04, 2,262,087.88 and 1,064,974.80

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Solution

The fourth proportional to 1,638,931.04, 2,262,087.88 and 1,064,974.80 is: 1,469,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,931.04 : 2,262,087.88 = 1,064,974.80 : x
  2. Step 2: Convert to fraction form
    1,638,931.04/2,262,087.88 = 1,064,974.80/x
  3. Step 3: Cross multiply
    1,638,931.04x = 2,262,087.88 × 1,064,974.80
  4. Step 4: Simplify right side
    1,638,931.04x = 2,409,066,587,585.42
  5. Step 5: Solve for x
    x = 2,409,066,587,585.42/1,638,931.04
  6. Step 6: Final answer
    x = 1,469,901.13

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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.