Home / 1,022,407.70-1,533,615.19-312,432.77

Finding the Fourth Proportional to 1,022,407.70, 1,533,615.19 and 312,432.77

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Solution

The fourth proportional to 1,022,407.70, 1,533,615.19 and 312,432.77 is: 468,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,407.70 : 1,533,615.19 = 312,432.77 : x
  2. Step 2: Convert to fraction form
    1,022,407.70/1,533,615.19 = 312,432.77/x
  3. Step 3: Cross multiply
    1,022,407.70x = 1,533,615.19 × 312,432.77
  4. Step 4: Simplify right side
    1,022,407.70x = 479,151,644,978.73
  5. Step 5: Solve for x
    x = 479,151,644,978.73/1,022,407.70
  6. Step 6: Final answer
    x = 468,650.27

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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.