Home / 991,856.21-1,350,450.09-988,706.93

Finding the Fourth Proportional to 991,856.21, 1,350,450.09 and 988,706.93

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Solution

The fourth proportional to 991,856.21, 1,350,450.09 and 988,706.93 is: 1,346,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,856.21 : 1,350,450.09 = 988,706.93 : x
  2. Step 2: Convert to fraction form
    991,856.21/1,350,450.09 = 988,706.93/x
  3. Step 3: Cross multiply
    991,856.21x = 1,350,450.09 × 988,706.93
  4. Step 4: Simplify right side
    991,856.21x = 1,335,199,355,849.87
  5. Step 5: Solve for x
    x = 1,335,199,355,849.87/991,856.21
  6. Step 6: Final answer
    x = 1,346,162.23

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.