Home / 1,577,380.60-2,365,487.70-512,457.40

Finding the Fourth Proportional to 1,577,380.60, 2,365,487.70 and 512,457.40

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Solution

The fourth proportional to 1,577,380.60, 2,365,487.70 and 512,457.40 is: 768,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,380.60 : 2,365,487.70 = 512,457.40 : x
  2. Step 2: Convert to fraction form
    1,577,380.60/2,365,487.70 = 512,457.40/x
  3. Step 3: Cross multiply
    1,577,380.60x = 2,365,487.70 × 512,457.40
  4. Step 4: Simplify right side
    1,577,380.60x = 1,212,211,676,473.98
  5. Step 5: Solve for x
    x = 1,212,211,676,473.98/1,577,380.60
  6. Step 6: Final answer
    x = 768,496.63

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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.