Home / 1,855,221.90-2,782,793.22-507,384.51

Finding the Fourth Proportional to 1,855,221.90, 2,782,793.22 and 507,384.51

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Solution

The fourth proportional to 1,855,221.90, 2,782,793.22 and 507,384.51 is: 761,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,221.90 : 2,782,793.22 = 507,384.51 : x
  2. Step 2: Convert to fraction form
    1,855,221.90/2,782,793.22 = 507,384.51/x
  3. Step 3: Cross multiply
    1,855,221.90x = 2,782,793.22 × 507,384.51
  4. Step 4: Simplify right side
    1,855,221.90x = 1,411,946,174,361.02
  5. Step 5: Solve for x
    x = 1,411,946,174,361.02/1,855,221.90
  6. Step 6: Final answer
    x = 761,065.93

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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.