Home / 1,007,778.03-1,390,733.70-555,069.03

Finding the Fourth Proportional to 1,007,778.03, 1,390,733.70 and 555,069.03

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Solution

The fourth proportional to 1,007,778.03, 1,390,733.70 and 555,069.03 is: 765,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,778.03 : 1,390,733.70 = 555,069.03 : x
  2. Step 2: Convert to fraction form
    1,007,778.03/1,390,733.70 = 555,069.03/x
  3. Step 3: Cross multiply
    1,007,778.03x = 1,390,733.70 × 555,069.03
  4. Step 4: Simplify right side
    1,007,778.03x = 771,953,205,847.31
  5. Step 5: Solve for x
    x = 771,953,205,847.31/1,007,778.03
  6. Step 6: Final answer
    x = 765,995.27

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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.