Home / 841,001.90-1,261,703.73-280,041.26

Finding the Fourth Proportional to 841,001.90, 1,261,703.73 and 280,041.26

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Solution

The fourth proportional to 841,001.90, 1,261,703.73 and 280,041.26 is: 420,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,001.90 : 1,261,703.73 = 280,041.26 : x
  2. Step 2: Convert to fraction form
    841,001.90/1,261,703.73 = 280,041.26/x
  3. Step 3: Cross multiply
    841,001.90x = 1,261,703.73 × 280,041.26
  4. Step 4: Simplify right side
    841,001.90x = 353,329,102,295.90
  5. Step 5: Solve for x
    x = 353,329,102,295.90/841,001.90
  6. Step 6: Final answer
    x = 420,128.78

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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.