Home / 1,407,525.22-2,111,258.31-342,573.22

Finding the Fourth Proportional to 1,407,525.22, 2,111,258.31 and 342,573.22

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Solution

The fourth proportional to 1,407,525.22, 2,111,258.31 and 342,573.22 is: 513,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,525.22 : 2,111,258.31 = 342,573.22 : x
  2. Step 2: Convert to fraction form
    1,407,525.22/2,111,258.31 = 342,573.22/x
  3. Step 3: Cross multiply
    1,407,525.22x = 2,111,258.31 × 342,573.22
  4. Step 4: Simplify right side
    1,407,525.22x = 723,260,557,508.46
  5. Step 5: Solve for x
    x = 723,260,557,508.46/1,407,525.22
  6. Step 6: Final answer
    x = 513,852.65

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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.