Home / 1,320,326.56-1,977,920.11-973,478.31

Finding the Fourth Proportional to 1,320,326.56, 1,977,920.11 and 973,478.31

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Solution

The fourth proportional to 1,320,326.56, 1,977,920.11 and 973,478.31 is: 1,458,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,326.56 : 1,977,920.11 = 973,478.31 : x
  2. Step 2: Convert to fraction form
    1,320,326.56/1,977,920.11 = 973,478.31/x
  3. Step 3: Cross multiply
    1,320,326.56x = 1,977,920.11 × 973,478.31
  4. Step 4: Simplify right side
    1,320,326.56x = 1,925,462,325,997.81
  5. Step 5: Solve for x
    x = 1,925,462,325,997.81/1,320,326.56
  6. Step 6: Final answer
    x = 1,458,322.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.