Home / 1,003,989.92-1,505,985.41-630,275.36

Finding the Fourth Proportional to 1,003,989.92, 1,505,985.41 and 630,275.36

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Solution

The fourth proportional to 1,003,989.92, 1,505,985.41 and 630,275.36 is: 945,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,989.92 : 1,505,985.41 = 630,275.36 : x
  2. Step 2: Convert to fraction form
    1,003,989.92/1,505,985.41 = 630,275.36/x
  3. Step 3: Cross multiply
    1,003,989.92x = 1,505,985.41 × 630,275.36
  4. Step 4: Simplify right side
    1,003,989.92x = 949,185,490,488.26
  5. Step 5: Solve for x
    x = 949,185,490,488.26/1,003,989.92
  6. Step 6: Final answer
    x = 945,413.37

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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.