Home / 1,394,729.28-2,091,782.88-553,055.04

Finding the Fourth Proportional to 1,394,729.28, 2,091,782.88 and 553,055.04

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Solution

The fourth proportional to 1,394,729.28, 2,091,782.88 and 553,055.04 is: 829,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,729.28 : 2,091,782.88 = 553,055.04 : x
  2. Step 2: Convert to fraction form
    1,394,729.28/2,091,782.88 = 553,055.04/x
  3. Step 3: Cross multiply
    1,394,729.28x = 2,091,782.88 × 553,055.04
  4. Step 4: Simplify right side
    1,394,729.28x = 1,156,871,064,369.72
  5. Step 5: Solve for x
    x = 1,156,871,064,369.72/1,394,729.28
  6. Step 6: Final answer
    x = 829,459.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.