Home / 1,336,538.10-2,005,266.15-390,047.70

Finding the Fourth Proportional to 1,336,538.10, 2,005,266.15 and 390,047.70

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Solution

The fourth proportional to 1,336,538.10, 2,005,266.15 and 390,047.70 is: 585,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,538.10 : 2,005,266.15 = 390,047.70 : x
  2. Step 2: Convert to fraction form
    1,336,538.10/2,005,266.15 = 390,047.70/x
  3. Step 3: Cross multiply
    1,336,538.10x = 2,005,266.15 × 390,047.70
  4. Step 4: Simplify right side
    1,336,538.10x = 782,149,449,695.36
  5. Step 5: Solve for x
    x = 782,149,449,695.36/1,336,538.10
  6. Step 6: Final answer
    x = 585,205.50

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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.