Home / 1,301,603.80-1,796,199.52-728,648.68

Finding the Fourth Proportional to 1,301,603.80, 1,796,199.52 and 728,648.68

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Solution

The fourth proportional to 1,301,603.80, 1,796,199.52 and 728,648.68 is: 1,005,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,603.80 : 1,796,199.52 = 728,648.68 : x
  2. Step 2: Convert to fraction form
    1,301,603.80/1,796,199.52 = 728,648.68/x
  3. Step 3: Cross multiply
    1,301,603.80x = 1,796,199.52 × 728,648.68
  4. Step 4: Simplify right side
    1,301,603.80x = 1,308,798,409,264.63
  5. Step 5: Solve for x
    x = 1,308,798,409,264.63/1,301,603.80
  6. Step 6: Final answer
    x = 1,005,527.50

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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.