Home / 1,077,927.40-1,617,279.90-447,034.60

Finding the Fourth Proportional to 1,077,927.40, 1,617,279.90 and 447,034.60

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Solution

The fourth proportional to 1,077,927.40, 1,617,279.90 and 447,034.60 is: 670,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,927.40 : 1,617,279.90 = 447,034.60 : x
  2. Step 2: Convert to fraction form
    1,077,927.40/1,617,279.90 = 447,034.60/x
  3. Step 3: Cross multiply
    1,077,927.40x = 1,617,279.90 × 447,034.60
  4. Step 4: Simplify right side
    1,077,927.40x = 722,980,073,184.54
  5. Step 5: Solve for x
    x = 722,980,073,184.54/1,077,927.40
  6. Step 6: Final answer
    x = 670,713.14

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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.