Home / 1,485,692.40-2,050,223.67-806,628.90

Finding the Fourth Proportional to 1,485,692.40, 2,050,223.67 and 806,628.90

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Solution

The fourth proportional to 1,485,692.40, 2,050,223.67 and 806,628.90 is: 1,113,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,692.40 : 2,050,223.67 = 806,628.90 : x
  2. Step 2: Convert to fraction form
    1,485,692.40/2,050,223.67 = 806,628.90/x
  3. Step 3: Cross multiply
    1,485,692.40x = 2,050,223.67 × 806,628.90
  4. Step 4: Simplify right side
    1,485,692.40x = 1,653,769,663,686.06
  5. Step 5: Solve for x
    x = 1,653,769,663,686.06/1,485,692.40
  6. Step 6: Final answer
    x = 1,113,130.59

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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.