Home / 1,201,676.38-1,658,315.50-657,812.52

Finding the Fourth Proportional to 1,201,676.38, 1,658,315.50 and 657,812.52

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Solution

The fourth proportional to 1,201,676.38, 1,658,315.50 and 657,812.52 is: 907,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,676.38 : 1,658,315.50 = 657,812.52 : x
  2. Step 2: Convert to fraction form
    1,201,676.38/1,658,315.50 = 657,812.52/x
  3. Step 3: Cross multiply
    1,201,676.38x = 1,658,315.50 × 657,812.52
  4. Step 4: Simplify right side
    1,201,676.38x = 1,090,860,698,010.06
  5. Step 5: Solve for x
    x = 1,090,860,698,010.06/1,201,676.38
  6. Step 6: Final answer
    x = 907,782.42

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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.