Home / 1,742,378.96-2,612,923.32-620,146.64

Finding the Fourth Proportional to 1,742,378.96, 2,612,923.32 and 620,146.64

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Solution

The fourth proportional to 1,742,378.96, 2,612,923.32 and 620,146.64 is: 929,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,378.96 : 2,612,923.32 = 620,146.64 : x
  2. Step 2: Convert to fraction form
    1,742,378.96/2,612,923.32 = 620,146.64/x
  3. Step 3: Cross multiply
    1,742,378.96x = 2,612,923.32 × 620,146.64
  4. Step 4: Simplify right side
    1,742,378.96x = 1,620,395,617,475.64
  5. Step 5: Solve for x
    x = 1,620,395,617,475.64/1,742,378.96
  6. Step 6: Final answer
    x = 929,990.35

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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.