Home / 1,420,566.60-2,130,752.70-461,008.20

Finding the Fourth Proportional to 1,420,566.60, 2,130,752.70 and 461,008.20

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Solution

The fourth proportional to 1,420,566.60, 2,130,752.70 and 461,008.20 is: 691,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,566.60 : 2,130,752.70 = 461,008.20 : x
  2. Step 2: Convert to fraction form
    1,420,566.60/2,130,752.70 = 461,008.20/x
  3. Step 3: Cross multiply
    1,420,566.60x = 2,130,752.70 × 461,008.20
  4. Step 4: Simplify right side
    1,420,566.60x = 982,294,466,872.14
  5. Step 5: Solve for x
    x = 982,294,466,872.14/1,420,566.60
  6. Step 6: Final answer
    x = 691,480.76

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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.