Home / 1,020,442.23-1,530,884.78-310,451.81

Finding the Fourth Proportional to 1,020,442.23, 1,530,884.78 and 310,451.81

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Solution

The fourth proportional to 1,020,442.23, 1,530,884.78 and 310,451.81 is: 465,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,442.23 : 1,530,884.78 = 310,451.81 : x
  2. Step 2: Convert to fraction form
    1,020,442.23/1,530,884.78 = 310,451.81/x
  3. Step 3: Cross multiply
    1,020,442.23x = 1,530,884.78 × 310,451.81
  4. Step 4: Simplify right side
    1,020,442.23x = 475,265,950,852.45
  5. Step 5: Solve for x
    x = 475,265,950,852.45/1,020,442.23
  6. Step 6: Final answer
    x = 465,745.08

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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.