Home / 1,308,647.56-1,962,968.34-410,157.76

Finding the Fourth Proportional to 1,308,647.56, 1,962,968.34 and 410,157.76

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Solution

The fourth proportional to 1,308,647.56, 1,962,968.34 and 410,157.76 is: 615,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,647.56 : 1,962,968.34 = 410,157.76 : x
  2. Step 2: Convert to fraction form
    1,308,647.56/1,962,968.34 = 410,157.76/x
  3. Step 3: Cross multiply
    1,308,647.56x = 1,962,968.34 × 410,157.76
  4. Step 4: Simplify right side
    1,308,647.56x = 805,126,697,285.32
  5. Step 5: Solve for x
    x = 805,126,697,285.32/1,308,647.56
  6. Step 6: Final answer
    x = 615,235.70

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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.