Home / 1,107,149.38-1,527,870.81-623,720.32

Finding the Fourth Proportional to 1,107,149.38, 1,527,870.81 and 623,720.32

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Solution

The fourth proportional to 1,107,149.38, 1,527,870.81 and 623,720.32 is: 860,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,149.38 : 1,527,870.81 = 623,720.32 : x
  2. Step 2: Convert to fraction form
    1,107,149.38/1,527,870.81 = 623,720.32/x
  3. Step 3: Cross multiply
    1,107,149.38x = 1,527,870.81 × 623,720.32
  4. Step 4: Simplify right side
    1,107,149.38x = 952,964,070,531.86
  5. Step 5: Solve for x
    x = 952,964,070,531.86/1,107,149.38
  6. Step 6: Final answer
    x = 860,736.67

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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.