Home / 1,023,909.60-1,536,739.20-456,164.40

Finding the Fourth Proportional to 1,023,909.60, 1,536,739.20 and 456,164.40

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Solution

The fourth proportional to 1,023,909.60, 1,536,739.20 and 456,164.40 is: 684,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,909.60 : 1,536,739.20 = 456,164.40 : x
  2. Step 2: Convert to fraction form
    1,023,909.60/1,536,739.20 = 456,164.40/x
  3. Step 3: Cross multiply
    1,023,909.60x = 1,536,739.20 × 456,164.40
  4. Step 4: Simplify right side
    1,023,909.60x = 701,005,715,124.48
  5. Step 5: Solve for x
    x = 701,005,715,124.48/1,023,909.60
  6. Step 6: Final answer
    x = 684,636.33

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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.