Home / 1,202,145.87-1,803,882.81-669,966.77

Finding the Fourth Proportional to 1,202,145.87, 1,803,882.81 and 669,966.77

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Solution

The fourth proportional to 1,202,145.87, 1,803,882.81 and 669,966.77 is: 1,005,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,145.87 : 1,803,882.81 = 669,966.77 : x
  2. Step 2: Convert to fraction form
    1,202,145.87/1,803,882.81 = 669,966.77/x
  3. Step 3: Cross multiply
    1,202,145.87x = 1,803,882.81 × 669,966.77
  4. Step 4: Simplify right side
    1,202,145.87x = 1,208,541,530,654.81
  5. Step 5: Solve for x
    x = 1,208,541,530,654.81/1,202,145.87
  6. Step 6: Final answer
    x = 1,005,320.20

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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.