Home / 1,754,423.40-2,631,635.10-809,639.40

Finding the Fourth Proportional to 1,754,423.40, 2,631,635.10 and 809,639.40

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Solution

The fourth proportional to 1,754,423.40, 2,631,635.10 and 809,639.40 is: 1,214,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,423.40 : 2,631,635.10 = 809,639.40 : x
  2. Step 2: Convert to fraction form
    1,754,423.40/2,631,635.10 = 809,639.40/x
  3. Step 3: Cross multiply
    1,754,423.40x = 2,631,635.10 × 809,639.40
  4. Step 4: Simplify right side
    1,754,423.40x = 2,130,675,463,382.94
  5. Step 5: Solve for x
    x = 2,130,675,463,382.94/1,754,423.40
  6. Step 6: Final answer
    x = 1,214,459.10

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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.