Home / 1,455,241.34-1,993,690.25-1,400,697.11

Finding the Fourth Proportional to 1,455,241.34, 1,993,690.25 and 1,400,697.11

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Solution

The fourth proportional to 1,455,241.34, 1,993,690.25 and 1,400,697.11 is: 1,918,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,241.34 : 1,993,690.25 = 1,400,697.11 : x
  2. Step 2: Convert to fraction form
    1,455,241.34/1,993,690.25 = 1,400,697.11/x
  3. Step 3: Cross multiply
    1,455,241.34x = 1,993,690.25 × 1,400,697.11
  4. Step 4: Simplify right side
    1,455,241.34x = 2,792,556,154,438.24
  5. Step 5: Solve for x
    x = 2,792,556,154,438.24/1,455,241.34
  6. Step 6: Final answer
    x = 1,918,964.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.