Home / 1,619,702.40-2,430,590.40-945,782.40

Finding the Fourth Proportional to 1,619,702.40, 2,430,590.40 and 945,782.40

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Solution

The fourth proportional to 1,619,702.40, 2,430,590.40 and 945,782.40 is: 1,419,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,702.40 : 2,430,590.40 = 945,782.40 : x
  2. Step 2: Convert to fraction form
    1,619,702.40/2,430,590.40 = 945,782.40/x
  3. Step 3: Cross multiply
    1,619,702.40x = 2,430,590.40 × 945,782.40
  4. Step 4: Simplify right side
    1,619,702.40x = 2,298,809,621,928.96
  5. Step 5: Solve for x
    x = 2,298,809,621,928.96/1,619,702.40
  6. Step 6: Final answer
    x = 1,419,279.01

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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.