Home / 1,139,314.36-1,709,998.74-607,278.52

Finding the Fourth Proportional to 1,139,314.36, 1,709,998.74 and 607,278.52

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Solution

The fourth proportional to 1,139,314.36, 1,709,998.74 and 607,278.52 is: 911,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,314.36 : 1,709,998.74 = 607,278.52 : x
  2. Step 2: Convert to fraction form
    1,139,314.36/1,709,998.74 = 607,278.52/x
  3. Step 3: Cross multiply
    1,139,314.36x = 1,709,998.74 × 607,278.52
  4. Step 4: Simplify right side
    1,139,314.36x = 1,038,445,504,029.06
  5. Step 5: Solve for x
    x = 1,038,445,504,029.06/1,139,314.36
  6. Step 6: Final answer
    x = 911,465.30

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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.