Home / 1,278,072.30-1,763,710.26-705,112.32

Finding the Fourth Proportional to 1,278,072.30, 1,763,710.26 and 705,112.32

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Solution

The fourth proportional to 1,278,072.30, 1,763,710.26 and 705,112.32 is: 973,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,072.30 : 1,763,710.26 = 705,112.32 : x
  2. Step 2: Convert to fraction form
    1,278,072.30/1,763,710.26 = 705,112.32/x
  3. Step 3: Cross multiply
    1,278,072.30x = 1,763,710.26 × 705,112.32
  4. Step 4: Simplify right side
    1,278,072.30x = 1,243,613,833,236.40
  5. Step 5: Solve for x
    x = 1,243,613,833,236.40/1,278,072.30
  6. Step 6: Final answer
    x = 973,038.72

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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.