Home / 1,122,942.06-1,549,818.09-714,913.56

Finding the Fourth Proportional to 1,122,942.06, 1,549,818.09 and 714,913.56

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Solution

The fourth proportional to 1,122,942.06, 1,549,818.09 and 714,913.56 is: 986,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,942.06 : 1,549,818.09 = 714,913.56 : x
  2. Step 2: Convert to fraction form
    1,122,942.06/1,549,818.09 = 714,913.56/x
  3. Step 3: Cross multiply
    1,122,942.06x = 1,549,818.09 × 714,913.56
  4. Step 4: Simplify right side
    1,122,942.06x = 1,107,985,968,074.30
  5. Step 5: Solve for x
    x = 1,107,985,968,074.30/1,122,942.06
  6. Step 6: Final answer
    x = 986,681.33

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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.