Home / 1,069,543.82-1,603,235.58-670,464.32

Finding the Fourth Proportional to 1,069,543.82, 1,603,235.58 and 670,464.32

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Solution

The fourth proportional to 1,069,543.82, 1,603,235.58 and 670,464.32 is: 1,005,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,543.82 : 1,603,235.58 = 670,464.32 : x
  2. Step 2: Convert to fraction form
    1,069,543.82/1,603,235.58 = 670,464.32/x
  3. Step 3: Cross multiply
    1,069,543.82x = 1,603,235.58 × 670,464.32
  4. Step 4: Simplify right side
    1,069,543.82x = 1,074,912,252,944.51
  5. Step 5: Solve for x
    x = 1,074,912,252,944.51/1,069,543.82
  6. Step 6: Final answer
    x = 1,005,019.37

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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.