Home / 1,392,903.60-2,094,079.32-1,112,180.28

Finding the Fourth Proportional to 1,392,903.60, 2,094,079.32 and 1,112,180.28

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Solution

The fourth proportional to 1,392,903.60, 2,094,079.32 and 1,112,180.28 is: 1,672,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,903.60 : 2,094,079.32 = 1,112,180.28 : x
  2. Step 2: Convert to fraction form
    1,392,903.60/2,094,079.32 = 1,112,180.28/x
  3. Step 3: Cross multiply
    1,392,903.60x = 2,094,079.32 × 1,112,180.28
  4. Step 4: Simplify right side
    1,392,903.60x = 2,328,993,724,459.81
  5. Step 5: Solve for x
    x = 2,328,993,724,459.81/1,392,903.60
  6. Step 6: Final answer
    x = 1,672,042.29

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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.