Home / 1,295,690.40-1,940,036.40-1,015,754.40

Finding the Fourth Proportional to 1,295,690.40, 1,940,036.40 and 1,015,754.40

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Solution

The fourth proportional to 1,295,690.40, 1,940,036.40 and 1,015,754.40 is: 1,520,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,690.40 : 1,940,036.40 = 1,015,754.40 : x
  2. Step 2: Convert to fraction form
    1,295,690.40/1,940,036.40 = 1,015,754.40/x
  3. Step 3: Cross multiply
    1,295,690.40x = 1,940,036.40 × 1,015,754.40
  4. Step 4: Simplify right side
    1,295,690.40x = 1,970,600,509,460.16
  5. Step 5: Solve for x
    x = 1,970,600,509,460.16/1,295,690.40
  6. Step 6: Final answer
    x = 1,520,888.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.