Home / 1,400,029.23-2,101,816.20-858,955.86

Finding the Fourth Proportional to 1,400,029.23, 2,101,816.20 and 858,955.86

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Solution

The fourth proportional to 1,400,029.23, 2,101,816.20 and 858,955.86 is: 1,289,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,029.23 : 2,101,816.20 = 858,955.86 : x
  2. Step 2: Convert to fraction form
    1,400,029.23/2,101,816.20 = 858,955.86/x
  3. Step 3: Cross multiply
    1,400,029.23x = 2,101,816.20 × 858,955.86
  4. Step 4: Simplify right side
    1,400,029.23x = 1,805,367,341,632.93
  5. Step 5: Solve for x
    x = 1,805,367,341,632.93/1,400,029.23
  6. Step 6: Final answer
    x = 1,289,521.18

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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.