Home / 1,778,986.90-2,453,999.71-1,125,410.15

Finding the Fourth Proportional to 1,778,986.90, 2,453,999.71 and 1,125,410.15

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Solution

The fourth proportional to 1,778,986.90, 2,453,999.71 and 1,125,410.15 is: 1,552,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,986.90 : 2,453,999.71 = 1,125,410.15 : x
  2. Step 2: Convert to fraction form
    1,778,986.90/2,453,999.71 = 1,125,410.15/x
  3. Step 3: Cross multiply
    1,778,986.90x = 2,453,999.71 × 1,125,410.15
  4. Step 4: Simplify right side
    1,778,986.90x = 2,761,756,163,834.01
  5. Step 5: Solve for x
    x = 2,761,756,163,834.01/1,778,986.90
  6. Step 6: Final answer
    x = 1,552,431.99

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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.