Home / 1,259,906.98-1,890,746.06-1,139,447.02

Finding the Fourth Proportional to 1,259,906.98, 1,890,746.06 and 1,139,447.02

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Solution

The fourth proportional to 1,259,906.98, 1,890,746.06 and 1,139,447.02 is: 1,709,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,906.98 : 1,890,746.06 = 1,139,447.02 : x
  2. Step 2: Convert to fraction form
    1,259,906.98/1,890,746.06 = 1,139,447.02/x
  3. Step 3: Cross multiply
    1,259,906.98x = 1,890,746.06 × 1,139,447.02
  4. Step 4: Simplify right side
    1,259,906.98x = 2,154,404,963,643.74
  5. Step 5: Solve for x
    x = 2,154,404,963,643.74/1,259,906.98
  6. Step 6: Final answer
    x = 1,709,971.45

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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.