Home / 1,785,448.72-2,464,673.12-1,205,457.54

Finding the Fourth Proportional to 1,785,448.72, 2,464,673.12 and 1,205,457.54

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Solution

The fourth proportional to 1,785,448.72, 2,464,673.12 and 1,205,457.54 is: 1,664,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,448.72 : 2,464,673.12 = 1,205,457.54 : x
  2. Step 2: Convert to fraction form
    1,785,448.72/2,464,673.12 = 1,205,457.54/x
  3. Step 3: Cross multiply
    1,785,448.72x = 2,464,673.12 × 1,205,457.54
  4. Step 4: Simplify right side
    1,785,448.72x = 2,971,058,796,139.33
  5. Step 5: Solve for x
    x = 2,971,058,796,139.33/1,785,448.72
  6. Step 6: Final answer
    x = 1,664,040.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.