Home / 1,385,333.74-1,911,742.41-773,496.89

Finding the Fourth Proportional to 1,385,333.74, 1,911,742.41 and 773,496.89

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Solution

The fourth proportional to 1,385,333.74, 1,911,742.41 and 773,496.89 is: 1,067,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,333.74 : 1,911,742.41 = 773,496.89 : x
  2. Step 2: Convert to fraction form
    1,385,333.74/1,911,742.41 = 773,496.89/x
  3. Step 3: Cross multiply
    1,385,333.74x = 1,911,742.41 × 773,496.89
  4. Step 4: Simplify right side
    1,385,333.74x = 1,478,726,815,529.67
  5. Step 5: Solve for x
    x = 1,478,726,815,529.67/1,385,333.74
  6. Step 6: Final answer
    x = 1,067,415.58

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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.