Home / 1,374,957.27-1,897,412.49-763,074.51

Finding the Fourth Proportional to 1,374,957.27, 1,897,412.49 and 763,074.51

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Solution

The fourth proportional to 1,374,957.27, 1,897,412.49 and 763,074.51 is: 1,053,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,957.27 : 1,897,412.49 = 763,074.51 : x
  2. Step 2: Convert to fraction form
    1,374,957.27/1,897,412.49 = 763,074.51/x
  3. Step 3: Cross multiply
    1,374,957.27x = 1,897,412.49 × 763,074.51
  4. Step 4: Simplify right side
    1,374,957.27x = 1,447,867,106,074.63
  5. Step 5: Solve for x
    x = 1,447,867,106,074.63/1,374,957.27
  6. Step 6: Final answer
    x = 1,053,026.98

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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.