Home / 1,200,880.74-1,801,342.98-402,013.38

Finding the Fourth Proportional to 1,200,880.74, 1,801,342.98 and 402,013.38

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Solution

The fourth proportional to 1,200,880.74, 1,801,342.98 and 402,013.38 is: 603,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,880.74 : 1,801,342.98 = 402,013.38 : x
  2. Step 2: Convert to fraction form
    1,200,880.74/1,801,342.98 = 402,013.38/x
  3. Step 3: Cross multiply
    1,200,880.74x = 1,801,342.98 × 402,013.38
  4. Step 4: Simplify right side
    1,200,880.74x = 724,163,979,929.07
  5. Step 5: Solve for x
    x = 724,163,979,929.07/1,200,880.74
  6. Step 6: Final answer
    x = 603,027.39

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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.