Home / 1,374,401.40-2,058,102.90-1,311,415.80

Finding the Fourth Proportional to 1,374,401.40, 2,058,102.90 and 1,311,415.80

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Solution

The fourth proportional to 1,374,401.40, 2,058,102.90 and 1,311,415.80 is: 1,963,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,401.40 : 2,058,102.90 = 1,311,415.80 : x
  2. Step 2: Convert to fraction form
    1,374,401.40/2,058,102.90 = 1,311,415.80/x
  3. Step 3: Cross multiply
    1,374,401.40x = 2,058,102.90 × 1,311,415.80
  4. Step 4: Simplify right side
    1,374,401.40x = 2,699,028,661,085.82
  5. Step 5: Solve for x
    x = 2,699,028,661,085.82/1,374,401.40
  6. Step 6: Final answer
    x = 1,963,784.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.