Home / 1,373,278.82-1,895,320.89-761,567.63

Finding the Fourth Proportional to 1,373,278.82, 1,895,320.89 and 761,567.63

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Solution

The fourth proportional to 1,373,278.82, 1,895,320.89 and 761,567.63 is: 1,051,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,278.82 : 1,895,320.89 = 761,567.63 : x
  2. Step 2: Convert to fraction form
    1,373,278.82/1,895,320.89 = 761,567.63/x
  3. Step 3: Cross multiply
    1,373,278.82x = 1,895,320.89 × 761,567.63
  4. Step 4: Simplify right side
    1,373,278.82x = 1,443,415,038,286.79
  5. Step 5: Solve for x
    x = 1,443,415,038,286.79/1,373,278.82
  6. Step 6: Final answer
    x = 1,051,072.09

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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.