Home / 1,275,242.98-1,759,900.47-723,997.33

Finding the Fourth Proportional to 1,275,242.98, 1,759,900.47 and 723,997.33

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Solution

The fourth proportional to 1,275,242.98, 1,759,900.47 and 723,997.33 is: 999,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,242.98 : 1,759,900.47 = 723,997.33 : x
  2. Step 2: Convert to fraction form
    1,275,242.98/1,759,900.47 = 723,997.33/x
  3. Step 3: Cross multiply
    1,275,242.98x = 1,759,900.47 × 723,997.33
  4. Step 4: Simplify right side
    1,275,242.98x = 1,274,163,241,345.75
  5. Step 5: Solve for x
    x = 1,274,163,241,345.75/1,275,242.98
  6. Step 6: Final answer
    x = 999,153.31

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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.