Home / 1,213,963.80-1,820,945.70-836,050.20

Finding the Fourth Proportional to 1,213,963.80, 1,820,945.70 and 836,050.20

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Solution

The fourth proportional to 1,213,963.80, 1,820,945.70 and 836,050.20 is: 1,254,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,963.80 : 1,820,945.70 = 836,050.20 : x
  2. Step 2: Convert to fraction form
    1,213,963.80/1,820,945.70 = 836,050.20/x
  3. Step 3: Cross multiply
    1,213,963.80x = 1,820,945.70 × 836,050.20
  4. Step 4: Simplify right side
    1,213,963.80x = 1,522,402,016,674.14
  5. Step 5: Solve for x
    x = 1,522,402,016,674.14/1,213,963.80
  6. Step 6: Final answer
    x = 1,254,075.30

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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.