Home / 1,206,572.90-1,809,859.35-802,415.30

Finding the Fourth Proportional to 1,206,572.90, 1,809,859.35 and 802,415.30

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Solution

The fourth proportional to 1,206,572.90, 1,809,859.35 and 802,415.30 is: 1,203,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,572.90 : 1,809,859.35 = 802,415.30 : x
  2. Step 2: Convert to fraction form
    1,206,572.90/1,809,859.35 = 802,415.30/x
  3. Step 3: Cross multiply
    1,206,572.90x = 1,809,859.35 × 802,415.30
  4. Step 4: Simplify right side
    1,206,572.90x = 1,452,258,833,288.06
  5. Step 5: Solve for x
    x = 1,452,258,833,288.06/1,206,572.90
  6. Step 6: Final answer
    x = 1,203,622.95

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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.