Home / 1,429,028.33-1,972,051.31-784,459.49

Finding the Fourth Proportional to 1,429,028.33, 1,972,051.31 and 784,459.49

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Solution

The fourth proportional to 1,429,028.33, 1,972,051.31 and 784,459.49 is: 1,082,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,028.33 : 1,972,051.31 = 784,459.49 : x
  2. Step 2: Convert to fraction form
    1,429,028.33/1,972,051.31 = 784,459.49/x
  3. Step 3: Cross multiply
    1,429,028.33x = 1,972,051.31 × 784,459.49
  4. Step 4: Simplify right side
    1,429,028.33x = 1,546,994,351,113.88
  5. Step 5: Solve for x
    x = 1,546,994,351,113.88/1,429,028.33
  6. Step 6: Final answer
    x = 1,082,549.82

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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.