Home / 1,405,907.76-2,108,425.48-507,232.68

Finding the Fourth Proportional to 1,405,907.76, 2,108,425.48 and 507,232.68

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Solution

The fourth proportional to 1,405,907.76, 2,108,425.48 and 507,232.68 is: 760,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,907.76 : 2,108,425.48 = 507,232.68 : x
  2. Step 2: Convert to fraction form
    1,405,907.76/2,108,425.48 = 507,232.68/x
  3. Step 3: Cross multiply
    1,405,907.76x = 2,108,425.48 × 507,232.68
  4. Step 4: Simplify right side
    1,405,907.76x = 1,069,462,306,800.69
  5. Step 5: Solve for x
    x = 1,069,462,306,800.69/1,405,907.76
  6. Step 6: Final answer
    x = 760,691.66

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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.