Home / 1,330,590.30-1,995,885.45-768,968.70

Finding the Fourth Proportional to 1,330,590.30, 1,995,885.45 and 768,968.70

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Solution

The fourth proportional to 1,330,590.30, 1,995,885.45 and 768,968.70 is: 1,153,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,590.30 : 1,995,885.45 = 768,968.70 : x
  2. Step 2: Convert to fraction form
    1,330,590.30/1,995,885.45 = 768,968.70/x
  3. Step 3: Cross multiply
    1,330,590.30x = 1,995,885.45 × 768,968.70
  4. Step 4: Simplify right side
    1,330,590.30x = 1,534,773,439,835.41
  5. Step 5: Solve for x
    x = 1,534,773,439,835.41/1,330,590.30
  6. Step 6: Final answer
    x = 1,153,453.05

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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.