Home / 1,358,623.20-2,036,638.80-505,466.40

Finding the Fourth Proportional to 1,358,623.20, 2,036,638.80 and 505,466.40

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Solution

The fourth proportional to 1,358,623.20, 2,036,638.80 and 505,466.40 is: 757,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,623.20 : 2,036,638.80 = 505,466.40 : x
  2. Step 2: Convert to fraction form
    1,358,623.20/2,036,638.80 = 505,466.40/x
  3. Step 3: Cross multiply
    1,358,623.20x = 2,036,638.80 × 505,466.40
  4. Step 4: Simplify right side
    1,358,623.20x = 1,029,452,482,336.32
  5. Step 5: Solve for x
    x = 1,029,452,482,336.32/1,358,623.20
  6. Step 6: Final answer
    x = 757,717.43

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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.