Home / 1,190,131.40-1,642,379.46-653,587.40

Finding the Fourth Proportional to 1,190,131.40, 1,642,379.46 and 653,587.40

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Solution

The fourth proportional to 1,190,131.40, 1,642,379.46 and 653,587.40 is: 901,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,131.40 : 1,642,379.46 = 653,587.40 : x
  2. Step 2: Convert to fraction form
    1,190,131.40/1,642,379.46 = 653,587.40/x
  3. Step 3: Cross multiply
    1,190,131.40x = 1,642,379.46 × 653,587.40
  4. Step 4: Simplify right side
    1,190,131.40x = 1,073,438,521,074.80
  5. Step 5: Solve for x
    x = 1,073,438,521,074.80/1,190,131.40
  6. Step 6: Final answer
    x = 901,949.58

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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.