Home / 1,225,259.20-1,837,888.80-1,170,146.80

Finding the Fourth Proportional to 1,225,259.20, 1,837,888.80 and 1,170,146.80

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Solution

The fourth proportional to 1,225,259.20, 1,837,888.80 and 1,170,146.80 is: 1,755,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,259.20 : 1,837,888.80 = 1,170,146.80 : x
  2. Step 2: Convert to fraction form
    1,225,259.20/1,837,888.80 = 1,170,146.80/x
  3. Step 3: Cross multiply
    1,225,259.20x = 1,837,888.80 × 1,170,146.80
  4. Step 4: Simplify right side
    1,225,259.20x = 2,150,599,698,075.84
  5. Step 5: Solve for x
    x = 2,150,599,698,075.84/1,225,259.20
  6. Step 6: Final answer
    x = 1,755,220.20

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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.