Home / 1,261,420.20-1,891,925.64-362,657.16

Finding the Fourth Proportional to 1,261,420.20, 1,891,925.64 and 362,657.16

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Solution

The fourth proportional to 1,261,420.20, 1,891,925.64 and 362,657.16 is: 543,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,420.20 : 1,891,925.64 = 362,657.16 : x
  2. Step 2: Convert to fraction form
    1,261,420.20/1,891,925.64 = 362,657.16/x
  3. Step 3: Cross multiply
    1,261,420.20x = 1,891,925.64 × 362,657.16
  4. Step 4: Simplify right side
    1,261,420.20x = 686,120,379,533.58
  5. Step 5: Solve for x
    x = 686,120,379,533.58/1,261,420.20
  6. Step 6: Final answer
    x = 543,926.90

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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.