Home / 1,423,443.76-2,135,163.78-463,897.92

Finding the Fourth Proportional to 1,423,443.76, 2,135,163.78 and 463,897.92

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Solution

The fourth proportional to 1,423,443.76, 2,135,163.78 and 463,897.92 is: 695,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,443.76 : 2,135,163.78 = 463,897.92 : x
  2. Step 2: Convert to fraction form
    1,423,443.76/2,135,163.78 = 463,897.92/x
  3. Step 3: Cross multiply
    1,423,443.76x = 2,135,163.78 × 463,897.92
  4. Step 4: Simplify right side
    1,423,443.76x = 990,498,036,401.34
  5. Step 5: Solve for x
    x = 990,498,036,401.34/1,423,443.76
  6. Step 6: Final answer
    x = 695,846.27

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Double scale
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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.