Home / 1,465,930.80-2,196,271.80-1,255,978.80

Finding the Fourth Proportional to 1,465,930.80, 2,196,271.80 and 1,255,978.80

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Solution

The fourth proportional to 1,465,930.80, 2,196,271.80 and 1,255,978.80 is: 1,881,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,930.80 : 2,196,271.80 = 1,255,978.80 : x
  2. Step 2: Convert to fraction form
    1,465,930.80/2,196,271.80 = 1,255,978.80/x
  3. Step 3: Cross multiply
    1,465,930.80x = 2,196,271.80 × 1,255,978.80
  4. Step 4: Simplify right side
    1,465,930.80x = 2,758,470,819,837.84
  5. Step 5: Solve for x
    x = 2,758,470,819,837.84/1,465,930.80
  6. Step 6: Final answer
    x = 1,881,719.67

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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.