Home / 1,698,370.12-2,545,455.64-856,462.60

Finding the Fourth Proportional to 1,698,370.12, 2,545,455.64 and 856,462.60

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Solution

The fourth proportional to 1,698,370.12, 2,545,455.64 and 856,462.60 is: 1,283,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,370.12 : 2,545,455.64 = 856,462.60 : x
  2. Step 2: Convert to fraction form
    1,698,370.12/2,545,455.64 = 856,462.60/x
  3. Step 3: Cross multiply
    1,698,370.12x = 2,545,455.64 × 856,462.60
  4. Step 4: Simplify right side
    1,698,370.12x = 2,180,087,555,619.06
  5. Step 5: Solve for x
    x = 2,180,087,555,619.06/1,698,370.12
  6. Step 6: Final answer
    x = 1,283,635.13

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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.