Home / 1,239,600.36-1,859,155.72-340,810.32

Finding the Fourth Proportional to 1,239,600.36, 1,859,155.72 and 340,810.32

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Solution

The fourth proportional to 1,239,600.36, 1,859,155.72 and 340,810.32 is: 511,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,600.36 : 1,859,155.72 = 340,810.32 : x
  2. Step 2: Convert to fraction form
    1,239,600.36/1,859,155.72 = 340,810.32/x
  3. Step 3: Cross multiply
    1,239,600.36x = 1,859,155.72 × 340,810.32
  4. Step 4: Simplify right side
    1,239,600.36x = 633,619,455,863.03
  5. Step 5: Solve for x
    x = 633,619,455,863.03/1,239,600.36
  6. Step 6: Final answer
    x = 511,148.17

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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.