Home / 1,218,366-1,681,111.80-788,586.48

Finding the Fourth Proportional to 1,218,366, 1,681,111.80 and 788,586.48

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Solution

The fourth proportional to 1,218,366, 1,681,111.80 and 788,586.48 is: 1,088,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,366 : 1,681,111.80 = 788,586.48 : x
  2. Step 2: Convert to fraction form
    1,218,366/1,681,111.80 = 788,586.48/x
  3. Step 3: Cross multiply
    1,218,366x = 1,681,111.80 × 788,586.48
  4. Step 4: Simplify right side
    1,218,366x = 1,325,702,036,848.46
  5. Step 5: Solve for x
    x = 1,325,702,036,848.46/1,218,366
  6. Step 6: Final answer
    x = 1,088,098.35

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