Home / 1,374,888.61-1,897,574.47-801,928.78

Finding the Fourth Proportional to 1,374,888.61, 1,897,574.47 and 801,928.78

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Solution

The fourth proportional to 1,374,888.61, 1,897,574.47 and 801,928.78 is: 1,106,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,888.61 : 1,897,574.47 = 801,928.78 : x
  2. Step 2: Convert to fraction form
    1,374,888.61/1,897,574.47 = 801,928.78/x
  3. Step 3: Cross multiply
    1,374,888.61x = 1,897,574.47 × 801,928.78
  4. Step 4: Simplify right side
    1,374,888.61x = 1,521,719,580,529.84
  5. Step 5: Solve for x
    x = 1,521,719,580,529.84/1,374,888.61
  6. Step 6: Final answer
    x = 1,106,794.81

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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.