Home / 1,374,952.47-1,897,405.86-763,069.69

Finding the Fourth Proportional to 1,374,952.47, 1,897,405.86 and 763,069.69

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Solution

The fourth proportional to 1,374,952.47, 1,897,405.86 and 763,069.69 is: 1,053,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,952.47 : 1,897,405.86 = 763,069.69 : x
  2. Step 2: Convert to fraction form
    1,374,952.47/1,897,405.86 = 763,069.69/x
  3. Step 3: Cross multiply
    1,374,952.47x = 1,897,405.86 × 763,069.69
  4. Step 4: Simplify right side
    1,374,952.47x = 1,447,852,901,394.38
  5. Step 5: Solve for x
    x = 1,447,852,901,394.38/1,374,952.47
  6. Step 6: Final answer
    x = 1,053,020.33

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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.