Home / 1,211,913.90-1,815,064.20-603,594.18

Finding the Fourth Proportional to 1,211,913.90, 1,815,064.20 and 603,594.18

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Solution

The fourth proportional to 1,211,913.90, 1,815,064.20 and 603,594.18 is: 903,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,913.90 : 1,815,064.20 = 603,594.18 : x
  2. Step 2: Convert to fraction form
    1,211,913.90/1,815,064.20 = 603,594.18/x
  3. Step 3: Cross multiply
    1,211,913.90x = 1,815,064.20 × 603,594.18
  4. Step 4: Simplify right side
    1,211,913.90x = 1,095,562,187,446.36
  5. Step 5: Solve for x
    x = 1,095,562,187,446.36/1,211,913.90
  6. Step 6: Final answer
    x = 903,993.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.