Home / 1,319,034.60-1,977,538.08-670,077.25

Finding the Fourth Proportional to 1,319,034.60, 1,977,538.08 and 670,077.25

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Solution

The fourth proportional to 1,319,034.60, 1,977,538.08 and 670,077.25 is: 1,004,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,034.60 : 1,977,538.08 = 670,077.25 : x
  2. Step 2: Convert to fraction form
    1,319,034.60/1,977,538.08 = 670,077.25/x
  3. Step 3: Cross multiply
    1,319,034.60x = 1,977,538.08 × 670,077.25
  4. Step 4: Simplify right side
    1,319,034.60x = 1,325,103,273,472.84
  5. Step 5: Solve for x
    x = 1,325,103,273,472.84/1,319,034.60
  6. Step 6: Final answer
    x = 1,004,600.84

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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.