Home / 1,019,985.63-1,530,198.54-310,070.85

Finding the Fourth Proportional to 1,019,985.63, 1,530,198.54 and 310,070.85

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Solution

The fourth proportional to 1,019,985.63, 1,530,198.54 and 310,070.85 is: 465,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,985.63 : 1,530,198.54 = 310,070.85 : x
  2. Step 2: Convert to fraction form
    1,019,985.63/1,530,198.54 = 310,070.85/x
  3. Step 3: Cross multiply
    1,019,985.63x = 1,530,198.54 × 310,070.85
  4. Step 4: Simplify right side
    1,019,985.63x = 474,469,961,966.56
  5. Step 5: Solve for x
    x = 474,469,961,966.56/1,019,985.63
  6. Step 6: Final answer
    x = 465,173.18

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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.