Home / 1,174,300.87-1,620,575.09-1,120,492.47

Finding the Fourth Proportional to 1,174,300.87, 1,620,575.09 and 1,120,492.47

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Solution

The fourth proportional to 1,174,300.87, 1,620,575.09 and 1,120,492.47 is: 1,546,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,300.87 : 1,620,575.09 = 1,120,492.47 : x
  2. Step 2: Convert to fraction form
    1,174,300.87/1,620,575.09 = 1,120,492.47/x
  3. Step 3: Cross multiply
    1,174,300.87x = 1,620,575.09 × 1,120,492.47
  4. Step 4: Simplify right side
    1,174,300.87x = 1,815,842,190,316.73
  5. Step 5: Solve for x
    x = 1,815,842,190,316.73/1,174,300.87
  6. Step 6: Final answer
    x = 1,546,317.67

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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.