Home / 1,035,137.40-1,553,289.30-403,969.20

Finding the Fourth Proportional to 1,035,137.40, 1,553,289.30 and 403,969.20

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Solution

The fourth proportional to 1,035,137.40, 1,553,289.30 and 403,969.20 is: 606,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,137.40 : 1,553,289.30 = 403,969.20 : x
  2. Step 2: Convert to fraction form
    1,035,137.40/1,553,289.30 = 403,969.20/x
  3. Step 3: Cross multiply
    1,035,137.40x = 1,553,289.30 × 403,969.20
  4. Step 4: Simplify right side
    1,035,137.40x = 627,481,035,889.56
  5. Step 5: Solve for x
    x = 627,481,035,889.56/1,035,137.40
  6. Step 6: Final answer
    x = 606,181.40

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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.