Home / 1,309,434.63-1,964,631.68-551,466.87

Finding the Fourth Proportional to 1,309,434.63, 1,964,631.68 and 551,466.87

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Solution

The fourth proportional to 1,309,434.63, 1,964,631.68 and 551,466.87 is: 827,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,434.63 : 1,964,631.68 = 551,466.87 : x
  2. Step 2: Convert to fraction form
    1,309,434.63/1,964,631.68 = 551,466.87/x
  3. Step 3: Cross multiply
    1,309,434.63x = 1,964,631.68 × 551,466.87
  4. Step 4: Simplify right side
    1,309,434.63x = 1,083,429,280,515.11
  5. Step 5: Solve for x
    x = 1,083,429,280,515.11/1,309,434.63
  6. Step 6: Final answer
    x = 827,402.34

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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.