Home / 1,692,464.40-2,538,702.52-430,292.16

Finding the Fourth Proportional to 1,692,464.40, 2,538,702.52 and 430,292.16

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Solution

The fourth proportional to 1,692,464.40, 2,538,702.52 and 430,292.16 is: 645,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,464.40 : 2,538,702.52 = 430,292.16 : x
  2. Step 2: Convert to fraction form
    1,692,464.40/2,538,702.52 = 430,292.16/x
  3. Step 3: Cross multiply
    1,692,464.40x = 2,538,702.52 × 430,292.16
  4. Step 4: Simplify right side
    1,692,464.40x = 1,092,383,790,928.24
  5. Step 5: Solve for x
    x = 1,092,383,790,928.24/1,692,464.40
  6. Step 6: Final answer
    x = 645,439.75

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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.