Home / 1,020,469.56-1,531,048.59-451,772.16

Finding the Fourth Proportional to 1,020,469.56, 1,531,048.59 and 451,772.16

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Solution

The fourth proportional to 1,020,469.56, 1,531,048.59 and 451,772.16 is: 677,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,469.56 : 1,531,048.59 = 451,772.16 : x
  2. Step 2: Convert to fraction form
    1,020,469.56/1,531,048.59 = 451,772.16/x
  3. Step 3: Cross multiply
    1,020,469.56x = 1,531,048.59 × 451,772.16
  4. Step 4: Simplify right side
    1,020,469.56x = 691,685,128,569.25
  5. Step 5: Solve for x
    x = 691,685,128,569.25/1,020,469.56
  6. Step 6: Final answer
    x = 677,810.64

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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.