Home / 1,485,370.21-2,228,064.54-525,616.88

Finding the Fourth Proportional to 1,485,370.21, 2,228,064.54 and 525,616.88

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Solution

The fourth proportional to 1,485,370.21, 2,228,064.54 and 525,616.88 is: 788,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,370.21 : 2,228,064.54 = 525,616.88 : x
  2. Step 2: Convert to fraction form
    1,485,370.21/2,228,064.54 = 525,616.88/x
  3. Step 3: Cross multiply
    1,485,370.21x = 2,228,064.54 × 525,616.88
  4. Step 4: Simplify right side
    1,485,370.21x = 1,171,108,331,953.44
  5. Step 5: Solve for x
    x = 1,171,108,331,953.44/1,485,370.21
  6. Step 6: Final answer
    x = 788,428.58

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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.