Home / 1,230,698.19-1,846,263.96-420,892.23

Finding the Fourth Proportional to 1,230,698.19, 1,846,263.96 and 420,892.23

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Solution

The fourth proportional to 1,230,698.19, 1,846,263.96 and 420,892.23 is: 631,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,698.19 : 1,846,263.96 = 420,892.23 : x
  2. Step 2: Convert to fraction form
    1,230,698.19/1,846,263.96 = 420,892.23/x
  3. Step 3: Cross multiply
    1,230,698.19x = 1,846,263.96 × 420,892.23
  4. Step 4: Simplify right side
    1,230,698.19x = 777,078,155,293.03
  5. Step 5: Solve for x
    x = 777,078,155,293.03/1,230,698.19
  6. Step 6: Final answer
    x = 631,412.45

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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.