Home / 1,069,471.80-1,603,977.30-470,431.80

Finding the Fourth Proportional to 1,069,471.80, 1,603,977.30 and 470,431.80

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Solution

The fourth proportional to 1,069,471.80, 1,603,977.30 and 470,431.80 is: 705,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,471.80 : 1,603,977.30 = 470,431.80 : x
  2. Step 2: Convert to fraction form
    1,069,471.80/1,603,977.30 = 470,431.80/x
  3. Step 3: Cross multiply
    1,069,471.80x = 1,603,977.30 × 470,431.80
  4. Step 4: Simplify right side
    1,069,471.80x = 754,561,928,398.14
  5. Step 5: Solve for x
    x = 754,561,928,398.14/1,069,471.80
  6. Step 6: Final answer
    x = 705,546.35

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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.