Home / 1,776,875.70-2,665,313.55-1,210,005.30

Finding the Fourth Proportional to 1,776,875.70, 2,665,313.55 and 1,210,005.30

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Solution

The fourth proportional to 1,776,875.70, 2,665,313.55 and 1,210,005.30 is: 1,815,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,875.70 : 2,665,313.55 = 1,210,005.30 : x
  2. Step 2: Convert to fraction form
    1,776,875.70/2,665,313.55 = 1,210,005.30/x
  3. Step 3: Cross multiply
    1,776,875.70x = 2,665,313.55 × 1,210,005.30
  4. Step 4: Simplify right side
    1,776,875.70x = 3,225,043,521,661.82
  5. Step 5: Solve for x
    x = 3,225,043,521,661.82/1,776,875.70
  6. Step 6: Final answer
    x = 1,815,007.95

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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.