Home / 1,521,907.56-2,095,452.32-1,291,988.25

Finding the Fourth Proportional to 1,521,907.56, 2,095,452.32 and 1,291,988.25

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Solution

The fourth proportional to 1,521,907.56, 2,095,452.32 and 1,291,988.25 is: 1,778,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,907.56 : 2,095,452.32 = 1,291,988.25 : x
  2. Step 2: Convert to fraction form
    1,521,907.56/2,095,452.32 = 1,291,988.25/x
  3. Step 3: Cross multiply
    1,521,907.56x = 2,095,452.32 × 1,291,988.25
  4. Step 4: Simplify right side
    1,521,907.56x = 2,707,299,769,415.30
  5. Step 5: Solve for x
    x = 2,707,299,769,415.30/1,521,907.56
  6. Step 6: Final answer
    x = 1,778,885.81

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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.