Home / 1,064,836.80-1,597,575.36-638,841.60

Finding the Fourth Proportional to 1,064,836.80, 1,597,575.36 and 638,841.60

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Solution

The fourth proportional to 1,064,836.80, 1,597,575.36 and 638,841.60 is: 958,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,836.80 : 1,597,575.36 = 638,841.60 : x
  2. Step 2: Convert to fraction form
    1,064,836.80/1,597,575.36 = 638,841.60/x
  3. Step 3: Cross multiply
    1,064,836.80x = 1,597,575.36 × 638,841.60
  4. Step 4: Simplify right side
    1,064,836.80x = 1,020,597,599,102.98
  5. Step 5: Solve for x
    x = 1,020,597,599,102.98/1,064,836.80
  6. Step 6: Final answer
    x = 958,454.48

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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.