Home / 1,855,221.15-2,782,792.10-507,383.75

Finding the Fourth Proportional to 1,855,221.15, 2,782,792.10 and 507,383.75

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Solution

The fourth proportional to 1,855,221.15, 2,782,792.10 and 507,383.75 is: 761,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,221.15 : 2,782,792.10 = 507,383.75 : x
  2. Step 2: Convert to fraction form
    1,855,221.15/2,782,792.10 = 507,383.75/x
  3. Step 3: Cross multiply
    1,855,221.15x = 2,782,792.10 × 507,383.75
  4. Step 4: Simplify right side
    1,855,221.15x = 1,411,943,499,393.81
  5. Step 5: Solve for x
    x = 1,411,943,499,393.81/1,855,221.15
  6. Step 6: Final answer
    x = 761,064.79

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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.