Home / 1,036,885.05-1,556,311.73-638,304.30

Finding the Fourth Proportional to 1,036,885.05, 1,556,311.73 and 638,304.30

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Solution

The fourth proportional to 1,036,885.05, 1,556,311.73 and 638,304.30 is: 958,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,885.05 : 1,556,311.73 = 638,304.30 : x
  2. Step 2: Convert to fraction form
    1,036,885.05/1,556,311.73 = 638,304.30/x
  3. Step 3: Cross multiply
    1,036,885.05x = 1,556,311.73 × 638,304.30
  4. Step 4: Simplify right side
    1,036,885.05x = 993,400,466,207.92
  5. Step 5: Solve for x
    x = 993,400,466,207.92/1,036,885.05
  6. Step 6: Final answer
    x = 958,062.29

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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.