Home / 1,122,381.30-1,683,820.73-323,600.51

Finding the Fourth Proportional to 1,122,381.30, 1,683,820.73 and 323,600.51

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Solution

The fourth proportional to 1,122,381.30, 1,683,820.73 and 323,600.51 is: 485,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,381.30 : 1,683,820.73 = 323,600.51 : x
  2. Step 2: Convert to fraction form
    1,122,381.30/1,683,820.73 = 323,600.51/x
  3. Step 3: Cross multiply
    1,122,381.30x = 1,683,820.73 × 323,600.51
  4. Step 4: Simplify right side
    1,122,381.30x = 544,885,249,568.12
  5. Step 5: Solve for x
    x = 544,885,249,568.12/1,122,381.30
  6. Step 6: Final answer
    x = 485,472.49

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1.5x scale

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.