Home / 1,407,811.94-2,111,717.84-649,429.01

Finding the Fourth Proportional to 1,407,811.94, 2,111,717.84 and 649,429.01

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Solution

The fourth proportional to 1,407,811.94, 2,111,717.84 and 649,429.01 is: 974,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,811.94 : 2,111,717.84 = 649,429.01 : x
  2. Step 2: Convert to fraction form
    1,407,811.94/2,111,717.84 = 649,429.01/x
  3. Step 3: Cross multiply
    1,407,811.94x = 2,111,717.84 × 649,429.01
  4. Step 4: Simplify right side
    1,407,811.94x = 1,371,410,812,424.80
  5. Step 5: Solve for x
    x = 1,371,410,812,424.80/1,407,811.94
  6. Step 6: Final answer
    x = 974,143.48

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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.