Home / 1,336,725.56-2,005,055.02-390,104.48

Finding the Fourth Proportional to 1,336,725.56, 2,005,055.02 and 390,104.48

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Solution

The fourth proportional to 1,336,725.56, 2,005,055.02 and 390,104.48 is: 585,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,725.56 : 2,005,055.02 = 390,104.48 : x
  2. Step 2: Convert to fraction form
    1,336,725.56/2,005,055.02 = 390,104.48/x
  3. Step 3: Cross multiply
    1,336,725.56x = 2,005,055.02 × 390,104.48
  4. Step 4: Simplify right side
    1,336,725.56x = 782,180,945,948.49
  5. Step 5: Solve for x
    x = 782,180,945,948.49/1,336,725.56
  6. Step 6: Final answer
    x = 585,147.00

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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.