Home / 1,004,811.40-1,507,217.10-685,946.80

Finding the Fourth Proportional to 1,004,811.40, 1,507,217.10 and 685,946.80

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Solution

The fourth proportional to 1,004,811.40, 1,507,217.10 and 685,946.80 is: 1,028,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,811.40 : 1,507,217.10 = 685,946.80 : x
  2. Step 2: Convert to fraction form
    1,004,811.40/1,507,217.10 = 685,946.80/x
  3. Step 3: Cross multiply
    1,004,811.40x = 1,507,217.10 × 685,946.80
  4. Step 4: Simplify right side
    1,004,811.40x = 1,033,870,746,650.28
  5. Step 5: Solve for x
    x = 1,033,870,746,650.28/1,004,811.40
  6. Step 6: Final answer
    x = 1,028,920.20

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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.