Home / 1,542,592.32-2,313,820.80-420,657.60

Finding the Fourth Proportional to 1,542,592.32, 2,313,820.80 and 420,657.60

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Solution

The fourth proportional to 1,542,592.32, 2,313,820.80 and 420,657.60 is: 630,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,592.32 : 2,313,820.80 = 420,657.60 : x
  2. Step 2: Convert to fraction form
    1,542,592.32/2,313,820.80 = 420,657.60/x
  3. Step 3: Cross multiply
    1,542,592.32x = 2,313,820.80 × 420,657.60
  4. Step 4: Simplify right side
    1,542,592.32x = 973,326,304,558.08
  5. Step 5: Solve for x
    x = 973,326,304,558.08/1,542,592.32
  6. Step 6: Final answer
    x = 630,967.94

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1.5x scale

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.