Home / 1,585,989.72-2,188,607.14-860,822.03

Finding the Fourth Proportional to 1,585,989.72, 2,188,607.14 and 860,822.03

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Solution

The fourth proportional to 1,585,989.72, 2,188,607.14 and 860,822.03 is: 1,187,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,989.72 : 2,188,607.14 = 860,822.03 : x
  2. Step 2: Convert to fraction form
    1,585,989.72/2,188,607.14 = 860,822.03/x
  3. Step 3: Cross multiply
    1,585,989.72x = 2,188,607.14 × 860,822.03
  4. Step 4: Simplify right side
    1,585,989.72x = 1,884,001,247,674.84
  5. Step 5: Solve for x
    x = 1,884,001,247,674.84/1,585,989.72
  6. Step 6: Final answer
    x = 1,187,902.56

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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.