Home / 1,305,075.22-1,801,220.27-761,211

Finding the Fourth Proportional to 1,305,075.22, 1,801,220.27 and 761,211

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Solution

The fourth proportional to 1,305,075.22, 1,801,220.27 and 761,211 is: 1,050,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,075.22 : 1,801,220.27 = 761,211 : x
  2. Step 2: Convert to fraction form
    1,305,075.22/1,801,220.27 = 761,211/x
  3. Step 3: Cross multiply
    1,305,075.22x = 1,801,220.27 × 761,211
  4. Step 4: Simplify right side
    1,305,075.22x = 1,371,108,679,140.92
  5. Step 5: Solve for x
    x = 1,371,108,679,140.92/1,305,075.22
  6. Step 6: Final answer
    x = 1,050,597.44

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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.