Home / 1,020,451.80-1,530,899.10-310,461.38

Finding the Fourth Proportional to 1,020,451.80, 1,530,899.10 and 310,461.38

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Solution

The fourth proportional to 1,020,451.80, 1,530,899.10 and 310,461.38 is: 465,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,451.80 : 1,530,899.10 = 310,461.38 : x
  2. Step 2: Convert to fraction form
    1,020,451.80/1,530,899.10 = 310,461.38/x
  3. Step 3: Cross multiply
    1,020,451.80x = 1,530,899.10 × 310,461.38
  4. Step 4: Simplify right side
    1,020,451.80x = 475,285,039,572.26
  5. Step 5: Solve for x
    x = 475,285,039,572.26/1,020,451.80
  6. Step 6: Final answer
    x = 465,759.42

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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.