Home / 1,020,446.63-1,530,891.38-310,456.22

Finding the Fourth Proportional to 1,020,446.63, 1,530,891.38 and 310,456.22

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Solution

The fourth proportional to 1,020,446.63, 1,530,891.38 and 310,456.22 is: 465,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,446.63 : 1,530,891.38 = 310,456.22 : x
  2. Step 2: Convert to fraction form
    1,020,446.63/1,530,891.38 = 310,456.22/x
  3. Step 3: Cross multiply
    1,020,446.63x = 1,530,891.38 × 310,456.22
  4. Step 4: Simplify right side
    1,020,446.63x = 475,274,749,927.91
  5. Step 5: Solve for x
    x = 475,274,749,927.91/1,020,446.63
  6. Step 6: Final answer
    x = 465,751.70

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Double scale
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1.5x scale

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.