Home / 1,193,722.29-1,643,688.54-899,799.03

Finding the Fourth Proportional to 1,193,722.29, 1,643,688.54 and 899,799.03

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Solution

The fourth proportional to 1,193,722.29, 1,643,688.54 and 899,799.03 is: 1,238,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,722.29 : 1,643,688.54 = 899,799.03 : x
  2. Step 2: Convert to fraction form
    1,193,722.29/1,643,688.54 = 899,799.03/x
  3. Step 3: Cross multiply
    1,193,722.29x = 1,643,688.54 × 899,799.03
  4. Step 4: Simplify right side
    1,193,722.29x = 1,478,989,353,914.12
  5. Step 5: Solve for x
    x = 1,478,989,353,914.12/1,193,722.29
  6. Step 6: Final answer
    x = 1,238,972.72

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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.