Home / 1,308,893.21-1,963,364.12-410,314.85

Finding the Fourth Proportional to 1,308,893.21, 1,963,364.12 and 410,314.85

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Solution

The fourth proportional to 1,308,893.21, 1,963,364.12 and 410,314.85 is: 615,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,893.21 : 1,963,364.12 = 410,314.85 : x
  2. Step 2: Convert to fraction form
    1,308,893.21/1,963,364.12 = 410,314.85/x
  3. Step 3: Cross multiply
    1,308,893.21x = 1,963,364.12 × 410,314.85
  4. Step 4: Simplify right side
    1,308,893.21x = 805,597,452,341.61
  5. Step 5: Solve for x
    x = 805,597,452,341.61/1,308,893.21
  6. Step 6: Final answer
    x = 615,479.89

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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.