Home / 1,137,256.09-1,570,043.93-775,211.81

Finding the Fourth Proportional to 1,137,256.09, 1,570,043.93 and 775,211.81

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Solution

The fourth proportional to 1,137,256.09, 1,570,043.93 and 775,211.81 is: 1,070,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,256.09 : 1,570,043.93 = 775,211.81 : x
  2. Step 2: Convert to fraction form
    1,137,256.09/1,570,043.93 = 775,211.81/x
  3. Step 3: Cross multiply
    1,137,256.09x = 1,570,043.93 × 775,211.81
  4. Step 4: Simplify right side
    1,137,256.09x = 1,217,116,585,028.53
  5. Step 5: Solve for x
    x = 1,217,116,585,028.53/1,137,256.09
  6. Step 6: Final answer
    x = 1,070,222.09

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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.