Home / 1,407,035.36-2,100,255.98-1,208,630.72

Finding the Fourth Proportional to 1,407,035.36, 2,100,255.98 and 1,208,630.72

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Solution

The fourth proportional to 1,407,035.36, 2,100,255.98 and 1,208,630.72 is: 1,804,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,035.36 : 2,100,255.98 = 1,208,630.72 : x
  2. Step 2: Convert to fraction form
    1,407,035.36/2,100,255.98 = 1,208,630.72/x
  3. Step 3: Cross multiply
    1,407,035.36x = 2,100,255.98 × 1,208,630.72
  4. Step 4: Simplify right side
    1,407,035.36x = 2,538,433,896,499.19
  5. Step 5: Solve for x
    x = 2,538,433,896,499.19/1,407,035.36
  6. Step 6: Final answer
    x = 1,804,100.99

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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.