Home / 1,269,885.10-1,904,827.65-512,089.60

Finding the Fourth Proportional to 1,269,885.10, 1,904,827.65 and 512,089.60

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Solution

The fourth proportional to 1,269,885.10, 1,904,827.65 and 512,089.60 is: 768,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,885.10 : 1,904,827.65 = 512,089.60 : x
  2. Step 2: Convert to fraction form
    1,269,885.10/1,904,827.65 = 512,089.60/x
  3. Step 3: Cross multiply
    1,269,885.10x = 1,904,827.65 × 512,089.60
  4. Step 4: Simplify right side
    1,269,885.10x = 975,442,429,357.44
  5. Step 5: Solve for x
    x = 975,442,429,357.44/1,269,885.10
  6. Step 6: Final answer
    x = 768,134.40

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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.