Home / 1,225,623.88-1,690,670.22-735,466.60

Finding the Fourth Proportional to 1,225,623.88, 1,690,670.22 and 735,466.60

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Solution

The fourth proportional to 1,225,623.88, 1,690,670.22 and 735,466.60 is: 1,014,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,623.88 : 1,690,670.22 = 735,466.60 : x
  2. Step 2: Convert to fraction form
    1,225,623.88/1,690,670.22 = 735,466.60/x
  3. Step 3: Cross multiply
    1,225,623.88x = 1,690,670.22 × 735,466.60
  4. Step 4: Simplify right side
    1,225,623.88x = 1,243,431,478,424.65
  5. Step 5: Solve for x
    x = 1,243,431,478,424.65/1,225,623.88
  6. Step 6: Final answer
    x = 1,014,529.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.