Home / 1,347,431.60-2,021,179.80-400,833.20

Finding the Fourth Proportional to 1,347,431.60, 2,021,179.80 and 400,833.20

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Solution

The fourth proportional to 1,347,431.60, 2,021,179.80 and 400,833.20 is: 601,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,431.60 : 2,021,179.80 = 400,833.20 : x
  2. Step 2: Convert to fraction form
    1,347,431.60/2,021,179.80 = 400,833.20/x
  3. Step 3: Cross multiply
    1,347,431.60x = 2,021,179.80 × 400,833.20
  4. Step 4: Simplify right side
    1,347,431.60x = 810,155,967,009.36
  5. Step 5: Solve for x
    x = 810,155,967,009.36/1,347,431.60
  6. Step 6: Final answer
    x = 601,259.44

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1.5x scale

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.