Home / 1,475,489.60-2,213,234.40-971,604.80

Finding the Fourth Proportional to 1,475,489.60, 2,213,234.40 and 971,604.80

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Solution

The fourth proportional to 1,475,489.60, 2,213,234.40 and 971,604.80 is: 1,457,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,489.60 : 2,213,234.40 = 971,604.80 : x
  2. Step 2: Convert to fraction form
    1,475,489.60/2,213,234.40 = 971,604.80/x
  3. Step 3: Cross multiply
    1,475,489.60x = 2,213,234.40 × 971,604.80
  4. Step 4: Simplify right side
    1,475,489.60x = 2,150,389,166,565.12
  5. Step 5: Solve for x
    x = 2,150,389,166,565.12/1,475,489.60
  6. Step 6: Final answer
    x = 1,457,407.20

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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.