Home / 1,295,763.20-1,942,219.20-453,881.60

Finding the Fourth Proportional to 1,295,763.20, 1,942,219.20 and 453,881.60

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Solution

The fourth proportional to 1,295,763.20, 1,942,219.20 and 453,881.60 is: 680,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,763.20 : 1,942,219.20 = 453,881.60 : x
  2. Step 2: Convert to fraction form
    1,295,763.20/1,942,219.20 = 453,881.60/x
  3. Step 3: Cross multiply
    1,295,763.20x = 1,942,219.20 × 453,881.60
  4. Step 4: Simplify right side
    1,295,763.20x = 881,537,558,046.72
  5. Step 5: Solve for x
    x = 881,537,558,046.72/1,295,763.20
  6. Step 6: Final answer
    x = 680,323.04

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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.