Home / 1,423,557.51-1,964,504.03-770,181.42

Finding the Fourth Proportional to 1,423,557.51, 1,964,504.03 and 770,181.42

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Solution

The fourth proportional to 1,423,557.51, 1,964,504.03 and 770,181.42 is: 1,062,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,557.51 : 1,964,504.03 = 770,181.42 : x
  2. Step 2: Convert to fraction form
    1,423,557.51/1,964,504.03 = 770,181.42/x
  3. Step 3: Cross multiply
    1,423,557.51x = 1,964,504.03 × 770,181.42
  4. Step 4: Simplify right side
    1,423,557.51x = 1,513,024,503,421.12
  5. Step 5: Solve for x
    x = 1,513,024,503,421.12/1,423,557.51
  6. Step 6: Final answer
    x = 1,062,847.47

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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.