Home / 1,312,029.64-1,968,157.23-365,400.36

Finding the Fourth Proportional to 1,312,029.64, 1,968,157.23 and 365,400.36

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Solution

The fourth proportional to 1,312,029.64, 1,968,157.23 and 365,400.36 is: 548,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,029.64 : 1,968,157.23 = 365,400.36 : x
  2. Step 2: Convert to fraction form
    1,312,029.64/1,968,157.23 = 365,400.36/x
  3. Step 3: Cross multiply
    1,312,029.64x = 1,968,157.23 × 365,400.36
  4. Step 4: Simplify right side
    1,312,029.64x = 719,165,360,378.60
  5. Step 5: Solve for x
    x = 719,165,360,378.60/1,312,029.64
  6. Step 6: Final answer
    x = 548,131.95

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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.