Home / 1,359,414.34-2,039,121.41-647,283.40

Finding the Fourth Proportional to 1,359,414.34, 2,039,121.41 and 647,283.40

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Solution

The fourth proportional to 1,359,414.34, 2,039,121.41 and 647,283.40 is: 970,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,414.34 : 2,039,121.41 = 647,283.40 : x
  2. Step 2: Convert to fraction form
    1,359,414.34/2,039,121.41 = 647,283.40/x
  3. Step 3: Cross multiply
    1,359,414.34x = 2,039,121.41 × 647,283.40
  4. Step 4: Simplify right side
    1,359,414.34x = 1,319,889,430,943.37
  5. Step 5: Solve for x
    x = 1,319,889,430,943.37/1,359,414.34
  6. Step 6: Final answer
    x = 970,925.05

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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.