Home / 1,197,864.40-1,796,796.60-1,111,259.20

Finding the Fourth Proportional to 1,197,864.40, 1,796,796.60 and 1,111,259.20

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Solution

The fourth proportional to 1,197,864.40, 1,796,796.60 and 1,111,259.20 is: 1,666,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,864.40 : 1,796,796.60 = 1,111,259.20 : x
  2. Step 2: Convert to fraction form
    1,197,864.40/1,796,796.60 = 1,111,259.20/x
  3. Step 3: Cross multiply
    1,197,864.40x = 1,796,796.60 × 1,111,259.20
  4. Step 4: Simplify right side
    1,197,864.40x = 1,996,706,752,278.72
  5. Step 5: Solve for x
    x = 1,996,706,752,278.72/1,197,864.40
  6. Step 6: Final answer
    x = 1,666,888.80

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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.