Home / 1,142,466.46-1,703,485.72-1,111,078.22

Finding the Fourth Proportional to 1,142,466.46, 1,703,485.72 and 1,111,078.22

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Solution

The fourth proportional to 1,142,466.46, 1,703,485.72 and 1,111,078.22 is: 1,656,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,466.46 : 1,703,485.72 = 1,111,078.22 : x
  2. Step 2: Convert to fraction form
    1,142,466.46/1,703,485.72 = 1,111,078.22/x
  3. Step 3: Cross multiply
    1,142,466.46x = 1,703,485.72 × 1,111,078.22
  4. Step 4: Simplify right side
    1,142,466.46x = 1,892,705,881,573.02
  5. Step 5: Solve for x
    x = 1,892,705,881,573.02/1,142,466.46
  6. Step 6: Final answer
    x = 1,656,683.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.