Home / 1,640,273.60-2,460,410.40-458,321.60

Finding the Fourth Proportional to 1,640,273.60, 2,460,410.40 and 458,321.60

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Solution

The fourth proportional to 1,640,273.60, 2,460,410.40 and 458,321.60 is: 687,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,273.60 : 2,460,410.40 = 458,321.60 : x
  2. Step 2: Convert to fraction form
    1,640,273.60/2,460,410.40 = 458,321.60/x
  3. Step 3: Cross multiply
    1,640,273.60x = 2,460,410.40 × 458,321.60
  4. Step 4: Simplify right side
    1,640,273.60x = 1,127,659,231,184.64
  5. Step 5: Solve for x
    x = 1,127,659,231,184.64/1,640,273.60
  6. Step 6: Final answer
    x = 687,482.40

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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.