Home / 1,308,468.12-1,805,695.98-727,699.40

Finding the Fourth Proportional to 1,308,468.12, 1,805,695.98 and 727,699.40

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Solution

The fourth proportional to 1,308,468.12, 1,805,695.98 and 727,699.40 is: 1,004,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,468.12 : 1,805,695.98 = 727,699.40 : x
  2. Step 2: Convert to fraction form
    1,308,468.12/1,805,695.98 = 727,699.40/x
  3. Step 3: Cross multiply
    1,308,468.12x = 1,805,695.98 × 727,699.40
  4. Step 4: Simplify right side
    1,308,468.12x = 1,314,003,881,228.41
  5. Step 5: Solve for x
    x = 1,314,003,881,228.41/1,308,468.12
  6. Step 6: Final answer
    x = 1,004,230.72

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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.