Home / 1,452,938.40-2,180,185.20-654,343.20

Finding the Fourth Proportional to 1,452,938.40, 2,180,185.20 and 654,343.20

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Solution

The fourth proportional to 1,452,938.40, 2,180,185.20 and 654,343.20 is: 981,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,938.40 : 2,180,185.20 = 654,343.20 : x
  2. Step 2: Convert to fraction form
    1,452,938.40/2,180,185.20 = 654,343.20/x
  3. Step 3: Cross multiply
    1,452,938.40x = 2,180,185.20 × 654,343.20
  4. Step 4: Simplify right side
    1,452,938.40x = 1,426,589,360,360.64
  5. Step 5: Solve for x
    x = 1,426,589,360,360.64/1,452,938.40
  6. Step 6: Final answer
    x = 981,865.00

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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.