Home / 1,110,785.01-1,666,234.59-312,128.85

Finding the Fourth Proportional to 1,110,785.01, 1,666,234.59 and 312,128.85

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Solution

The fourth proportional to 1,110,785.01, 1,666,234.59 and 312,128.85 is: 468,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,785.01 : 1,666,234.59 = 312,128.85 : x
  2. Step 2: Convert to fraction form
    1,110,785.01/1,666,234.59 = 312,128.85/x
  3. Step 3: Cross multiply
    1,110,785.01x = 1,666,234.59 × 312,128.85
  4. Step 4: Simplify right side
    1,110,785.01x = 520,079,886,406.92
  5. Step 5: Solve for x
    x = 520,079,886,406.92/1,110,785.01
  6. Step 6: Final answer
    x = 468,209.31

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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.