Home / 1,639,971.88-2,459,974.36-575,039.60

Finding the Fourth Proportional to 1,639,971.88, 2,459,974.36 and 575,039.60

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Solution

The fourth proportional to 1,639,971.88, 2,459,974.36 and 575,039.60 is: 862,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,971.88 : 2,459,974.36 = 575,039.60 : x
  2. Step 2: Convert to fraction form
    1,639,971.88/2,459,974.36 = 575,039.60/x
  3. Step 3: Cross multiply
    1,639,971.88x = 2,459,974.36 × 575,039.60
  4. Step 4: Simplify right side
    1,639,971.88x = 1,414,582,671,984.66
  5. Step 5: Solve for x
    x = 1,414,582,671,984.66/1,639,971.88
  6. Step 6: Final answer
    x = 862,565.20

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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.