Home / 1,408,352.72-1,943,576.52-1,006,903.76

Finding the Fourth Proportional to 1,408,352.72, 1,943,576.52 and 1,006,903.76

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Solution

The fourth proportional to 1,408,352.72, 1,943,576.52 and 1,006,903.76 is: 1,389,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,352.72 : 1,943,576.52 = 1,006,903.76 : x
  2. Step 2: Convert to fraction form
    1,408,352.72/1,943,576.52 = 1,006,903.76/x
  3. Step 3: Cross multiply
    1,408,352.72x = 1,943,576.52 × 1,006,903.76
  4. Step 4: Simplify right side
    1,408,352.72x = 1,956,994,505,835.72
  5. Step 5: Solve for x
    x = 1,956,994,505,835.72/1,408,352.72
  6. Step 6: Final answer
    x = 1,389,562.77

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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.