Home / 1,285,258.44-1,773,716.40-712,298.64

Finding the Fourth Proportional to 1,285,258.44, 1,773,716.40 and 712,298.64

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Solution

The fourth proportional to 1,285,258.44, 1,773,716.40 and 712,298.64 is: 983,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,258.44 : 1,773,716.40 = 712,298.64 : x
  2. Step 2: Convert to fraction form
    1,285,258.44/1,773,716.40 = 712,298.64/x
  3. Step 3: Cross multiply
    1,285,258.44x = 1,773,716.40 × 712,298.64
  4. Step 4: Simplify right side
    1,285,258.44x = 1,263,415,779,465.70
  5. Step 5: Solve for x
    x = 1,263,415,779,465.70/1,285,258.44
  6. Step 6: Final answer
    x = 983,005.24

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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.