Home / 1,223,459.80-1,835,189.70-1,111,266.70

Finding the Fourth Proportional to 1,223,459.80, 1,835,189.70 and 1,111,266.70

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Solution

The fourth proportional to 1,223,459.80, 1,835,189.70 and 1,111,266.70 is: 1,666,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,459.80 : 1,835,189.70 = 1,111,266.70 : x
  2. Step 2: Convert to fraction form
    1,223,459.80/1,835,189.70 = 1,111,266.70/x
  3. Step 3: Cross multiply
    1,223,459.80x = 1,835,189.70 × 1,111,266.70
  4. Step 4: Simplify right side
    1,223,459.80x = 2,039,385,201,792.99
  5. Step 5: Solve for x
    x = 2,039,385,201,792.99/1,223,459.80
  6. Step 6: Final answer
    x = 1,666,900.05

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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.