Home / 1,405,897.78-2,108,410.72-507,222.71

Finding the Fourth Proportional to 1,405,897.78, 2,108,410.72 and 507,222.71

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Solution

The fourth proportional to 1,405,897.78, 2,108,410.72 and 507,222.71 is: 760,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,897.78 : 2,108,410.72 = 507,222.71 : x
  2. Step 2: Convert to fraction form
    1,405,897.78/2,108,410.72 = 507,222.71/x
  3. Step 3: Cross multiply
    1,405,897.78x = 2,108,410.72 × 507,222.71
  4. Step 4: Simplify right side
    1,405,897.78x = 1,069,433,799,191.45
  5. Step 5: Solve for x
    x = 1,069,433,799,191.45/1,405,897.78
  6. Step 6: Final answer
    x = 760,676.78

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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.