Home / 1,021,317.66-1,408,100.94-836,870.34

Finding the Fourth Proportional to 1,021,317.66, 1,408,100.94 and 836,870.34

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Solution

The fourth proportional to 1,021,317.66, 1,408,100.94 and 836,870.34 is: 1,153,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,317.66 : 1,408,100.94 = 836,870.34 : x
  2. Step 2: Convert to fraction form
    1,021,317.66/1,408,100.94 = 836,870.34/x
  3. Step 3: Cross multiply
    1,021,317.66x = 1,408,100.94 × 836,870.34
  4. Step 4: Simplify right side
    1,021,317.66x = 1,178,397,912,412.12
  5. Step 5: Solve for x
    x = 1,178,397,912,412.12/1,021,317.66
  6. Step 6: Final answer
    x = 1,153,801.56

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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.