Home / 1,640,419.40-2,457,864.30-797,155.40

Finding the Fourth Proportional to 1,640,419.40, 2,457,864.30 and 797,155.40

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Solution

The fourth proportional to 1,640,419.40, 2,457,864.30 and 797,155.40 is: 1,194,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,419.40 : 2,457,864.30 = 797,155.40 : x
  2. Step 2: Convert to fraction form
    1,640,419.40/2,457,864.30 = 797,155.40/x
  3. Step 3: Cross multiply
    1,640,419.40x = 2,457,864.30 × 797,155.40
  4. Step 4: Simplify right side
    1,640,419.40x = 1,959,299,799,212.22
  5. Step 5: Solve for x
    x = 1,959,299,799,212.22/1,640,419.40
  6. Step 6: Final answer
    x = 1,194,389.56

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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.