Home / 1,085,621.04-1,498,128.08-626,720.10

Finding the Fourth Proportional to 1,085,621.04, 1,498,128.08 and 626,720.10

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Solution

The fourth proportional to 1,085,621.04, 1,498,128.08 and 626,720.10 is: 864,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,621.04 : 1,498,128.08 = 626,720.10 : x
  2. Step 2: Convert to fraction form
    1,085,621.04/1,498,128.08 = 626,720.10/x
  3. Step 3: Cross multiply
    1,085,621.04x = 1,498,128.08 × 626,720.10
  4. Step 4: Simplify right side
    1,085,621.04x = 938,906,980,110.41
  5. Step 5: Solve for x
    x = 938,906,980,110.41/1,085,621.04
  6. Step 6: Final answer
    x = 864,857.02

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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.