Home / 1,402,460.72-2,102,359.32-455,168.96

Finding the Fourth Proportional to 1,402,460.72, 2,102,359.32 and 455,168.96

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Solution

The fourth proportional to 1,402,460.72, 2,102,359.32 and 455,168.96 is: 682,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,460.72 : 2,102,359.32 = 455,168.96 : x
  2. Step 2: Convert to fraction form
    1,402,460.72/2,102,359.32 = 455,168.96/x
  3. Step 3: Cross multiply
    1,402,460.72x = 2,102,359.32 × 455,168.96
  4. Step 4: Simplify right side
    1,402,460.72x = 956,928,705,230.71
  5. Step 5: Solve for x
    x = 956,928,705,230.71/1,402,460.72
  6. Step 6: Final answer
    x = 682,321.22

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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.