Home / 1,308,760.13-1,963,164.80-410,181.98

Finding the Fourth Proportional to 1,308,760.13, 1,963,164.80 and 410,181.98

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Solution

The fourth proportional to 1,308,760.13, 1,963,164.80 and 410,181.98 is: 615,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,760.13 : 1,963,164.80 = 410,181.98 : x
  2. Step 2: Convert to fraction form
    1,308,760.13/1,963,164.80 = 410,181.98/x
  3. Step 3: Cross multiply
    1,308,760.13x = 1,963,164.80 × 410,181.98
  4. Step 4: Simplify right side
    1,308,760.13x = 805,254,815,939.94
  5. Step 5: Solve for x
    x = 805,254,815,939.94/1,308,760.13
  6. Step 6: Final answer
    x = 615,280.67

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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.