Home / 1,676,004.36-2,312,881.74-912,057.72

Finding the Fourth Proportional to 1,676,004.36, 2,312,881.74 and 912,057.72

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Solution

The fourth proportional to 1,676,004.36, 2,312,881.74 and 912,057.72 is: 1,258,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,004.36 : 2,312,881.74 = 912,057.72 : x
  2. Step 2: Convert to fraction form
    1,676,004.36/2,312,881.74 = 912,057.72/x
  3. Step 3: Cross multiply
    1,676,004.36x = 2,312,881.74 × 912,057.72
  4. Step 4: Simplify right side
    1,676,004.36x = 2,109,481,646,414.03
  5. Step 5: Solve for x
    x = 2,109,481,646,414.03/1,676,004.36
  6. Step 6: Final answer
    x = 1,258,637.33

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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.