Home / 1,660,875.87-2,491,313.71-398,703.50

Finding the Fourth Proportional to 1,660,875.87, 2,491,313.71 and 398,703.50

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Solution

The fourth proportional to 1,660,875.87, 2,491,313.71 and 398,703.50 is: 598,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,875.87 : 2,491,313.71 = 398,703.50 : x
  2. Step 2: Convert to fraction form
    1,660,875.87/2,491,313.71 = 398,703.50/x
  3. Step 3: Cross multiply
    1,660,875.87x = 2,491,313.71 × 398,703.50
  4. Step 4: Simplify right side
    1,660,875.87x = 993,295,492,411.65
  5. Step 5: Solve for x
    x = 993,295,492,411.65/1,660,875.87
  6. Step 6: Final answer
    x = 598,055.22

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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.