Home / 1,610,636.80-2,222,622.08-885,479.20

Finding the Fourth Proportional to 1,610,636.80, 2,222,622.08 and 885,479.20

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Solution

The fourth proportional to 1,610,636.80, 2,222,622.08 and 885,479.20 is: 1,221,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,636.80 : 2,222,622.08 = 885,479.20 : x
  2. Step 2: Convert to fraction form
    1,610,636.80/2,222,622.08 = 885,479.20/x
  3. Step 3: Cross multiply
    1,610,636.80x = 2,222,622.08 × 885,479.20
  4. Step 4: Simplify right side
    1,610,636.80x = 1,968,085,621,300.74
  5. Step 5: Solve for x
    x = 1,968,085,621,300.74/1,610,636.80
  6. Step 6: Final answer
    x = 1,221,930.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.