Home / 1,405,300.24-2,107,635.02-646,412.86

Finding the Fourth Proportional to 1,405,300.24, 2,107,635.02 and 646,412.86

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Solution

The fourth proportional to 1,405,300.24, 2,107,635.02 and 646,412.86 is: 969,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,300.24 : 2,107,635.02 = 646,412.86 : x
  2. Step 2: Convert to fraction form
    1,405,300.24/2,107,635.02 = 646,412.86/x
  3. Step 3: Cross multiply
    1,405,300.24x = 2,107,635.02 × 646,412.86
  4. Step 4: Simplify right side
    1,405,300.24x = 1,362,402,381,114.36
  5. Step 5: Solve for x
    x = 1,362,402,381,114.36/1,405,300.24
  6. Step 6: Final answer
    x = 969,474.24

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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.