Home / 868,628.40-1,302,942.60-837,135.60

Finding the Fourth Proportional to 868,628.40, 1,302,942.60 and 837,135.60

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Solution

The fourth proportional to 868,628.40, 1,302,942.60 and 837,135.60 is: 1,255,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,628.40 : 1,302,942.60 = 837,135.60 : x
  2. Step 2: Convert to fraction form
    868,628.40/1,302,942.60 = 837,135.60/x
  3. Step 3: Cross multiply
    868,628.40x = 1,302,942.60 × 837,135.60
  4. Step 4: Simplify right side
    868,628.40x = 1,090,739,635,216.56
  5. Step 5: Solve for x
    x = 1,090,739,635,216.56/868,628.40
  6. Step 6: Final answer
    x = 1,255,703.40

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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.