Home / 1,058,812.70-1,588,219.05-939,839.90

Finding the Fourth Proportional to 1,058,812.70, 1,588,219.05 and 939,839.90

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Solution

The fourth proportional to 1,058,812.70, 1,588,219.05 and 939,839.90 is: 1,409,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,812.70 : 1,588,219.05 = 939,839.90 : x
  2. Step 2: Convert to fraction form
    1,058,812.70/1,588,219.05 = 939,839.90/x
  3. Step 3: Cross multiply
    1,058,812.70x = 1,588,219.05 × 939,839.90
  4. Step 4: Simplify right side
    1,058,812.70x = 1,492,671,633,130.10
  5. Step 5: Solve for x
    x = 1,492,671,633,130.10/1,058,812.70
  6. Step 6: Final answer
    x = 1,409,759.85

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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.