Home / 1,365,892.40-2,048,838.60-419,140.10

Finding the Fourth Proportional to 1,365,892.40, 2,048,838.60 and 419,140.10

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Solution

The fourth proportional to 1,365,892.40, 2,048,838.60 and 419,140.10 is: 628,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,892.40 : 2,048,838.60 = 419,140.10 : x
  2. Step 2: Convert to fraction form
    1,365,892.40/2,048,838.60 = 419,140.10/x
  3. Step 3: Cross multiply
    1,365,892.40x = 2,048,838.60 × 419,140.10
  4. Step 4: Simplify right side
    1,365,892.40x = 858,750,415,687.86
  5. Step 5: Solve for x
    x = 858,750,415,687.86/1,365,892.40
  6. Step 6: Final answer
    x = 628,710.15

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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.