Home / 1,278,034.32-1,763,693.28-705,074.32

Finding the Fourth Proportional to 1,278,034.32, 1,763,693.28 and 705,074.32

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Solution

The fourth proportional to 1,278,034.32, 1,763,693.28 and 705,074.32 is: 973,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,034.32 : 1,763,693.28 = 705,074.32 : x
  2. Step 2: Convert to fraction form
    1,278,034.32/1,763,693.28 = 705,074.32/x
  3. Step 3: Cross multiply
    1,278,034.32x = 1,763,693.28 × 705,074.32
  4. Step 4: Simplify right side
    1,278,034.32x = 1,243,534,840,084.57
  5. Step 5: Solve for x
    x = 1,243,534,840,084.57/1,278,034.32
  6. Step 6: Final answer
    x = 973,005.83

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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.