Home / 1,178,558.58-1,626,367.81-720,440.40

Finding the Fourth Proportional to 1,178,558.58, 1,626,367.81 and 720,440.40

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Solution

The fourth proportional to 1,178,558.58, 1,626,367.81 and 720,440.40 is: 994,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,558.58 : 1,626,367.81 = 720,440.40 : x
  2. Step 2: Convert to fraction form
    1,178,558.58/1,626,367.81 = 720,440.40/x
  3. Step 3: Cross multiply
    1,178,558.58x = 1,626,367.81 × 720,440.40
  4. Step 4: Simplify right side
    1,178,558.58x = 1,171,701,075,583.52
  5. Step 5: Solve for x
    x = 1,171,701,075,583.52/1,178,558.58
  6. Step 6: Final answer
    x = 994,181.45

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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.