Home / 1,298,981.58-1,948,242.74-352,426.12

Finding the Fourth Proportional to 1,298,981.58, 1,948,242.74 and 352,426.12

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Solution

The fourth proportional to 1,298,981.58, 1,948,242.74 and 352,426.12 is: 528,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,981.58 : 1,948,242.74 = 352,426.12 : x
  2. Step 2: Convert to fraction form
    1,298,981.58/1,948,242.74 = 352,426.12/x
  3. Step 3: Cross multiply
    1,298,981.58x = 1,948,242.74 × 352,426.12
  4. Step 4: Simplify right side
    1,298,981.58x = 686,611,629,676.37
  5. Step 5: Solve for x
    x = 686,611,629,676.37/1,298,981.58
  6. Step 6: Final answer
    x = 528,576.88

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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.