Home / 1,090,276.34-1,635,480.14-342,322.34

Finding the Fourth Proportional to 1,090,276.34, 1,635,480.14 and 342,322.34

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Solution

The fourth proportional to 1,090,276.34, 1,635,480.14 and 342,322.34 is: 513,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,276.34 : 1,635,480.14 = 342,322.34 : x
  2. Step 2: Convert to fraction form
    1,090,276.34/1,635,480.14 = 342,322.34/x
  3. Step 3: Cross multiply
    1,090,276.34x = 1,635,480.14 × 342,322.34
  4. Step 4: Simplify right side
    1,090,276.34x = 559,861,378,659.32
  5. Step 5: Solve for x
    x = 559,861,378,659.32/1,090,276.34
  6. Step 6: Final answer
    x = 513,504.11

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Double scale
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1.5x scale

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.