Home / 1,222,776.90-1,834,165.35-1,139,832.90

Finding the Fourth Proportional to 1,222,776.90, 1,834,165.35 and 1,139,832.90

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Solution

The fourth proportional to 1,222,776.90, 1,834,165.35 and 1,139,832.90 is: 1,709,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,776.90 : 1,834,165.35 = 1,139,832.90 : x
  2. Step 2: Convert to fraction form
    1,222,776.90/1,834,165.35 = 1,139,832.90/x
  3. Step 3: Cross multiply
    1,222,776.90x = 1,834,165.35 × 1,139,832.90
  4. Step 4: Simplify right side
    1,222,776.90x = 2,090,642,009,970.02
  5. Step 5: Solve for x
    x = 2,090,642,009,970.02/1,222,776.90
  6. Step 6: Final answer
    x = 1,709,749.35

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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.