Home / 1,140,414.64-1,573,821.60-631,117.18

Finding the Fourth Proportional to 1,140,414.64, 1,573,821.60 and 631,117.18

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Solution

The fourth proportional to 1,140,414.64, 1,573,821.60 and 631,117.18 is: 870,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,414.64 : 1,573,821.60 = 631,117.18 : x
  2. Step 2: Convert to fraction form
    1,140,414.64/1,573,821.60 = 631,117.18/x
  3. Step 3: Cross multiply
    1,140,414.64x = 1,573,821.60 × 631,117.18
  4. Step 4: Simplify right side
    1,140,414.64x = 993,265,850,015.09
  5. Step 5: Solve for x
    x = 993,265,850,015.09/1,140,414.64
  6. Step 6: Final answer
    x = 870,969.05

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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.