Home / 1,265,214.40-1,745,994.72-692,256.96

Finding the Fourth Proportional to 1,265,214.40, 1,745,994.72 and 692,256.96

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Solution

The fourth proportional to 1,265,214.40, 1,745,994.72 and 692,256.96 is: 955,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,214.40 : 1,745,994.72 = 692,256.96 : x
  2. Step 2: Convert to fraction form
    1,265,214.40/1,745,994.72 = 692,256.96/x
  3. Step 3: Cross multiply
    1,265,214.40x = 1,745,994.72 × 692,256.96
  4. Step 4: Simplify right side
    1,265,214.40x = 1,208,676,997,043.25
  5. Step 5: Solve for x
    x = 1,208,676,997,043.25/1,265,214.40
  6. Step 6: Final answer
    x = 955,313.97

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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.