Home / 1,020,443.36-1,530,886.47-310,452.95

Finding the Fourth Proportional to 1,020,443.36, 1,530,886.47 and 310,452.95

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Solution

The fourth proportional to 1,020,443.36, 1,530,886.47 and 310,452.95 is: 465,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,443.36 : 1,530,886.47 = 310,452.95 : x
  2. Step 2: Convert to fraction form
    1,020,443.36/1,530,886.47 = 310,452.95/x
  3. Step 3: Cross multiply
    1,020,443.36x = 1,530,886.47 × 310,452.95
  4. Step 4: Simplify right side
    1,020,443.36x = 475,268,213,072.15
  5. Step 5: Solve for x
    x = 475,268,213,072.15/1,020,443.36
  6. Step 6: Final answer
    x = 465,746.79

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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.