Home / 1,057,559.59-1,458,022.88-840,493.06

Finding the Fourth Proportional to 1,057,559.59, 1,458,022.88 and 840,493.06

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Solution

The fourth proportional to 1,057,559.59, 1,458,022.88 and 840,493.06 is: 1,158,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,559.59 : 1,458,022.88 = 840,493.06 : x
  2. Step 2: Convert to fraction form
    1,057,559.59/1,458,022.88 = 840,493.06/x
  3. Step 3: Cross multiply
    1,057,559.59x = 1,458,022.88 × 840,493.06
  4. Step 4: Simplify right side
    1,057,559.59x = 1,225,458,110,417.39
  5. Step 5: Solve for x
    x = 1,225,458,110,417.39/1,057,559.59
  6. Step 6: Final answer
    x = 1,158,760.34

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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.