Home / 1,277,428.65-1,762,792.18-733,181.37

Finding the Fourth Proportional to 1,277,428.65, 1,762,792.18 and 733,181.37

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Solution

The fourth proportional to 1,277,428.65, 1,762,792.18 and 733,181.37 is: 1,011,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,428.65 : 1,762,792.18 = 733,181.37 : x
  2. Step 2: Convert to fraction form
    1,277,428.65/1,762,792.18 = 733,181.37/x
  3. Step 3: Cross multiply
    1,277,428.65x = 1,762,792.18 × 733,181.37
  4. Step 4: Simplify right side
    1,277,428.65x = 1,292,446,385,557.69
  5. Step 5: Solve for x
    x = 1,292,446,385,557.69/1,277,428.65
  6. Step 6: Final answer
    x = 1,011,756.22

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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.