Home / 1,806,018.45-2,709,084.78-669,065.19

Finding the Fourth Proportional to 1,806,018.45, 2,709,084.78 and 669,065.19

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Solution

The fourth proportional to 1,806,018.45, 2,709,084.78 and 669,065.19 is: 1,003,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,018.45 : 2,709,084.78 = 669,065.19 : x
  2. Step 2: Convert to fraction form
    1,806,018.45/2,709,084.78 = 669,065.19/x
  3. Step 3: Cross multiply
    1,806,018.45x = 2,709,084.78 × 669,065.19
  4. Step 4: Simplify right side
    1,806,018.45x = 1,812,554,323,056.81
  5. Step 5: Solve for x
    x = 1,812,554,323,056.81/1,806,018.45
  6. Step 6: Final answer
    x = 1,003,618.94

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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.