Home / 1,138,328.20-1,570,893.48-629,030.60

Finding the Fourth Proportional to 1,138,328.20, 1,570,893.48 and 629,030.60

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Solution

The fourth proportional to 1,138,328.20, 1,570,893.48 and 629,030.60 is: 868,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,328.20 : 1,570,893.48 = 629,030.60 : x
  2. Step 2: Convert to fraction form
    1,138,328.20/1,570,893.48 = 629,030.60/x
  3. Step 3: Cross multiply
    1,138,328.20x = 1,570,893.48 × 629,030.60
  4. Step 4: Simplify right side
    1,138,328.20x = 988,140,068,260.49
  5. Step 5: Solve for x
    x = 988,140,068,260.49/1,138,328.20
  6. Step 6: Final answer
    x = 868,062.54

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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.