Home / 1,220,965.51-1,831,463.72-462,603.26

Finding the Fourth Proportional to 1,220,965.51, 1,831,463.72 and 462,603.26

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Solution

The fourth proportional to 1,220,965.51, 1,831,463.72 and 462,603.26 is: 693,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,965.51 : 1,831,463.72 = 462,603.26 : x
  2. Step 2: Convert to fraction form
    1,220,965.51/1,831,463.72 = 462,603.26/x
  3. Step 3: Cross multiply
    1,220,965.51x = 1,831,463.72 × 462,603.26
  4. Step 4: Simplify right side
    1,220,965.51x = 847,241,087,594.21
  5. Step 5: Solve for x
    x = 847,241,087,594.21/1,220,965.51
  6. Step 6: Final answer
    x = 693,910.75

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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.