Home / 864,039.40-1,294,503.90-739,623.40

Finding the Fourth Proportional to 864,039.40, 1,294,503.90 and 739,623.40

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Solution

The fourth proportional to 864,039.40, 1,294,503.90 and 739,623.40 is: 1,108,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,039.40 : 1,294,503.90 = 739,623.40 : x
  2. Step 2: Convert to fraction form
    864,039.40/1,294,503.90 = 739,623.40/x
  3. Step 3: Cross multiply
    864,039.40x = 1,294,503.90 × 739,623.40
  4. Step 4: Simplify right side
    864,039.40x = 957,445,375,831.26
  5. Step 5: Solve for x
    x = 957,445,375,831.26/864,039.40
  6. Step 6: Final answer
    x = 1,108,103.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.