Home / 1,405,686.89-2,108,530.61-507,128.33

Finding the Fourth Proportional to 1,405,686.89, 2,108,530.61 and 507,128.33

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Solution

The fourth proportional to 1,405,686.89, 2,108,530.61 and 507,128.33 is: 760,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,686.89 : 2,108,530.61 = 507,128.33 : x
  2. Step 2: Convert to fraction form
    1,405,686.89/2,108,530.61 = 507,128.33/x
  3. Step 3: Cross multiply
    1,405,686.89x = 2,108,530.61 × 507,128.33
  4. Step 4: Simplify right side
    1,405,686.89x = 1,069,295,593,924.89
  5. Step 5: Solve for x
    x = 1,069,295,593,924.89/1,405,686.89
  6. Step 6: Final answer
    x = 760,692.59

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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.