Home / 1,099,726.40-1,648,015.20-625,409.60

Finding the Fourth Proportional to 1,099,726.40, 1,648,015.20 and 625,409.60

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Solution

The fourth proportional to 1,099,726.40, 1,648,015.20 and 625,409.60 is: 937,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,726.40 : 1,648,015.20 = 625,409.60 : x
  2. Step 2: Convert to fraction form
    1,099,726.40/1,648,015.20 = 625,409.60/x
  3. Step 3: Cross multiply
    1,099,726.40x = 1,648,015.20 × 625,409.60
  4. Step 4: Simplify right side
    1,099,726.40x = 1,030,684,527,025.92
  5. Step 5: Solve for x
    x = 1,030,684,527,025.92/1,099,726.40
  6. Step 6: Final answer
    x = 937,219.05

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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.