Home / 1,070,803.91-1,604,063.93-644,104.25

Finding the Fourth Proportional to 1,070,803.91, 1,604,063.93 and 644,104.25

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Solution

The fourth proportional to 1,070,803.91, 1,604,063.93 and 644,104.25 is: 964,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,803.91 : 1,604,063.93 = 644,104.25 : x
  2. Step 2: Convert to fraction form
    1,070,803.91/1,604,063.93 = 644,104.25/x
  3. Step 3: Cross multiply
    1,070,803.91x = 1,604,063.93 × 644,104.25
  4. Step 4: Simplify right side
    1,070,803.91x = 1,033,184,383,343.86
  5. Step 5: Solve for x
    x = 1,033,184,383,343.86/1,070,803.91
  6. Step 6: Final answer
    x = 964,867.96

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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.