Home / 1,010,172.96-1,394,072.16-551,312.64

Finding the Fourth Proportional to 1,010,172.96, 1,394,072.16 and 551,312.64

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Solution

The fourth proportional to 1,010,172.96, 1,394,072.16 and 551,312.64 is: 760,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,172.96 : 1,394,072.16 = 551,312.64 : x
  2. Step 2: Convert to fraction form
    1,010,172.96/1,394,072.16 = 551,312.64/x
  3. Step 3: Cross multiply
    1,010,172.96x = 1,394,072.16 × 551,312.64
  4. Step 4: Simplify right side
    1,010,172.96x = 768,569,602,880.10
  5. Step 5: Solve for x
    x = 768,569,602,880.10/1,010,172.96
  6. Step 6: Final answer
    x = 760,829.71

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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.