Home / 1,003,973.06-1,385,475.16-545,078.53

Finding the Fourth Proportional to 1,003,973.06, 1,385,475.16 and 545,078.53

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Solution

The fourth proportional to 1,003,973.06, 1,385,475.16 and 545,078.53 is: 752,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,973.06 : 1,385,475.16 = 545,078.53 : x
  2. Step 2: Convert to fraction form
    1,003,973.06/1,385,475.16 = 545,078.53/x
  3. Step 3: Cross multiply
    1,003,973.06x = 1,385,475.16 × 545,078.53
  4. Step 4: Simplify right side
    1,003,973.06x = 755,192,763,564.32
  5. Step 5: Solve for x
    x = 755,192,763,564.32/1,003,973.06
  6. Step 6: Final answer
    x = 752,204.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.