Home / 1,292,277.80-1,939,302.43-450,829.55

Finding the Fourth Proportional to 1,292,277.80, 1,939,302.43 and 450,829.55

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Solution

The fourth proportional to 1,292,277.80, 1,939,302.43 and 450,829.55 is: 676,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,277.80 : 1,939,302.43 = 450,829.55 : x
  2. Step 2: Convert to fraction form
    1,292,277.80/1,939,302.43 = 450,829.55/x
  3. Step 3: Cross multiply
    1,292,277.80x = 1,939,302.43 × 450,829.55
  4. Step 4: Simplify right side
    1,292,277.80x = 874,294,835,911.37
  5. Step 5: Solve for x
    x = 874,294,835,911.37/1,292,277.80
  6. Step 6: Final answer
    x = 676,553.32

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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.