Home / 1,416,317.21-2,125,103.80-742,238.25

Finding the Fourth Proportional to 1,416,317.21, 2,125,103.80 and 742,238.25

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Solution

The fourth proportional to 1,416,317.21, 2,125,103.80 and 742,238.25 is: 1,113,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,317.21 : 2,125,103.80 = 742,238.25 : x
  2. Step 2: Convert to fraction form
    1,416,317.21/2,125,103.80 = 742,238.25/x
  3. Step 3: Cross multiply
    1,416,317.21x = 2,125,103.80 × 742,238.25
  4. Step 4: Simplify right side
    1,416,317.21x = 1,577,333,325,580.35
  5. Step 5: Solve for x
    x = 1,577,333,325,580.35/1,416,317.21
  6. Step 6: Final answer
    x = 1,113,686.48

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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.