Home / 1,715,122.20-2,570,840.10-649,752.60

Finding the Fourth Proportional to 1,715,122.20, 2,570,840.10 and 649,752.60

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Solution

The fourth proportional to 1,715,122.20, 2,570,840.10 and 649,752.60 is: 973,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,122.20 : 2,570,840.10 = 649,752.60 : x
  2. Step 2: Convert to fraction form
    1,715,122.20/2,570,840.10 = 649,752.60/x
  3. Step 3: Cross multiply
    1,715,122.20x = 2,570,840.10 × 649,752.60
  4. Step 4: Simplify right side
    1,715,122.20x = 1,670,410,039,159.26
  5. Step 5: Solve for x
    x = 1,670,410,039,159.26/1,715,122.20
  6. Step 6: Final answer
    x = 973,930.63

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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.