Home / 1,197,865.40-1,796,798.10-1,111,260.20

Finding the Fourth Proportional to 1,197,865.40, 1,796,798.10 and 1,111,260.20

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Solution

The fourth proportional to 1,197,865.40, 1,796,798.10 and 1,111,260.20 is: 1,666,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,865.40 : 1,796,798.10 = 1,111,260.20 : x
  2. Step 2: Convert to fraction form
    1,197,865.40/1,796,798.10 = 1,111,260.20/x
  3. Step 3: Cross multiply
    1,197,865.40x = 1,796,798.10 × 1,111,260.20
  4. Step 4: Simplify right side
    1,197,865.40x = 1,996,710,215,965.62
  5. Step 5: Solve for x
    x = 1,996,710,215,965.62/1,197,865.40
  6. Step 6: Final answer
    x = 1,666,890.30

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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.