Home / 1,485,530.40-2,045,370.24-1,310,920.32

Finding the Fourth Proportional to 1,485,530.40, 2,045,370.24 and 1,310,920.32

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Solution

The fourth proportional to 1,485,530.40, 2,045,370.24 and 1,310,920.32 is: 1,804,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,530.40 : 2,045,370.24 = 1,310,920.32 : x
  2. Step 2: Convert to fraction form
    1,485,530.40/2,045,370.24 = 1,310,920.32/x
  3. Step 3: Cross multiply
    1,485,530.40x = 2,045,370.24 × 1,310,920.32
  4. Step 4: Simplify right side
    1,485,530.40x = 2,681,317,409,539.28
  5. Step 5: Solve for x
    x = 2,681,317,409,539.28/1,485,530.40
  6. Step 6: Final answer
    x = 1,804,956.27

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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.