Home / 1,925,160.21-2,656,742.09-1,065,734.82

Finding the Fourth Proportional to 1,925,160.21, 2,656,742.09 and 1,065,734.82

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Solution

The fourth proportional to 1,925,160.21, 2,656,742.09 and 1,065,734.82 is: 1,470,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,160.21 : 2,656,742.09 = 1,065,734.82 : x
  2. Step 2: Convert to fraction form
    1,925,160.21/2,656,742.09 = 1,065,734.82/x
  3. Step 3: Cross multiply
    1,925,160.21x = 2,656,742.09 × 1,065,734.82
  4. Step 4: Simplify right side
    1,925,160.21x = 2,831,382,547,743.90
  5. Step 5: Solve for x
    x = 2,831,382,547,743.90/1,925,160.21
  6. Step 6: Final answer
    x = 1,470,725.67

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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.