Home / 1,585,759.88-2,188,349.76-860,607.42

Finding the Fourth Proportional to 1,585,759.88, 2,188,349.76 and 860,607.42

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Solution

The fourth proportional to 1,585,759.88, 2,188,349.76 and 860,607.42 is: 1,187,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,759.88 : 2,188,349.76 = 860,607.42 : x
  2. Step 2: Convert to fraction form
    1,585,759.88/2,188,349.76 = 860,607.42/x
  3. Step 3: Cross multiply
    1,585,759.88x = 2,188,349.76 × 860,607.42
  4. Step 4: Simplify right side
    1,585,759.88x = 1,883,310,041,011.22
  5. Step 5: Solve for x
    x = 1,883,310,041,011.22/1,585,759.88
  6. Step 6: Final answer
    x = 1,187,638.85

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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.