Home / 1,070,328.06-1,605,759.78-755,400.06

Finding the Fourth Proportional to 1,070,328.06, 1,605,759.78 and 755,400.06

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Solution

The fourth proportional to 1,070,328.06, 1,605,759.78 and 755,400.06 is: 1,133,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,328.06 : 1,605,759.78 = 755,400.06 : x
  2. Step 2: Convert to fraction form
    1,070,328.06/1,605,759.78 = 755,400.06/x
  3. Step 3: Cross multiply
    1,070,328.06x = 1,605,759.78 × 755,400.06
  4. Step 4: Simplify right side
    1,070,328.06x = 1,212,991,034,157.59
  5. Step 5: Solve for x
    x = 1,212,991,034,157.59/1,070,328.06
  6. Step 6: Final answer
    x = 1,133,289.02

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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.