Home / 1,374,952.32-1,897,405.66-763,069.51

Finding the Fourth Proportional to 1,374,952.32, 1,897,405.66 and 763,069.51

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Solution

The fourth proportional to 1,374,952.32, 1,897,405.66 and 763,069.51 is: 1,053,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,952.32 : 1,897,405.66 = 763,069.51 : x
  2. Step 2: Convert to fraction form
    1,374,952.32/1,897,405.66 = 763,069.51/x
  3. Step 3: Cross multiply
    1,374,952.32x = 1,897,405.66 × 763,069.51
  4. Step 4: Simplify right side
    1,374,952.32x = 1,447,852,410,573.02
  5. Step 5: Solve for x
    x = 1,447,852,410,573.02/1,374,952.32
  6. Step 6: Final answer
    x = 1,053,020.09

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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.