Home / 1,408,249.64-1,943,385.03-763,669.67

Finding the Fourth Proportional to 1,408,249.64, 1,943,385.03 and 763,669.67

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Solution

The fourth proportional to 1,408,249.64, 1,943,385.03 and 763,669.67 is: 1,053,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,249.64 : 1,943,385.03 = 763,669.67 : x
  2. Step 2: Convert to fraction form
    1,408,249.64/1,943,385.03 = 763,669.67/x
  3. Step 3: Cross multiply
    1,408,249.64x = 1,943,385.03 × 763,669.67
  4. Step 4: Simplify right side
    1,408,249.64x = 1,484,104,194,826.12
  5. Step 5: Solve for x
    x = 1,484,104,194,826.12/1,408,249.64
  6. Step 6: Final answer
    x = 1,053,864.42

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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.