Home / 1,374,995.36-1,897,513.81-763,187.37

Finding the Fourth Proportional to 1,374,995.36, 1,897,513.81 and 763,187.37

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Solution

The fourth proportional to 1,374,995.36, 1,897,513.81 and 763,187.37 is: 1,053,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,995.36 : 1,897,513.81 = 763,187.37 : x
  2. Step 2: Convert to fraction form
    1,374,995.36/1,897,513.81 = 763,187.37/x
  3. Step 3: Cross multiply
    1,374,995.36x = 1,897,513.81 × 763,187.37
  4. Step 4: Simplify right side
    1,374,995.36x = 1,448,158,572,284.61
  5. Step 5: Solve for x
    x = 1,448,158,572,284.61/1,374,995.36
  6. Step 6: Final answer
    x = 1,053,209.79

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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.