Home / 1,145,629.40-1,718,444.10-984,666.20

Finding the Fourth Proportional to 1,145,629.40, 1,718,444.10 and 984,666.20

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Solution

The fourth proportional to 1,145,629.40, 1,718,444.10 and 984,666.20 is: 1,476,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,629.40 : 1,718,444.10 = 984,666.20 : x
  2. Step 2: Convert to fraction form
    1,145,629.40/1,718,444.10 = 984,666.20/x
  3. Step 3: Cross multiply
    1,145,629.40x = 1,718,444.10 × 984,666.20
  4. Step 4: Simplify right side
    1,145,629.40x = 1,692,093,821,859.42
  5. Step 5: Solve for x
    x = 1,692,093,821,859.42/1,145,629.40
  6. Step 6: Final answer
    x = 1,476,999.30

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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.