Home / 1,192,003.60-1,788,005.40-1,112,688.40

Finding the Fourth Proportional to 1,192,003.60, 1,788,005.40 and 1,112,688.40

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Solution

The fourth proportional to 1,192,003.60, 1,788,005.40 and 1,112,688.40 is: 1,669,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,003.60 : 1,788,005.40 = 1,112,688.40 : x
  2. Step 2: Convert to fraction form
    1,192,003.60/1,788,005.40 = 1,112,688.40/x
  3. Step 3: Cross multiply
    1,192,003.60x = 1,788,005.40 × 1,112,688.40
  4. Step 4: Simplify right side
    1,192,003.60x = 1,989,492,867,717.36
  5. Step 5: Solve for x
    x = 1,989,492,867,717.36/1,192,003.60
  6. Step 6: Final answer
    x = 1,669,032.60

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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.