Home / 1,439,767.32-2,159,913.42-720,485.16

Finding the Fourth Proportional to 1,439,767.32, 2,159,913.42 and 720,485.16

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Solution

The fourth proportional to 1,439,767.32, 2,159,913.42 and 720,485.16 is: 1,080,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,767.32 : 2,159,913.42 = 720,485.16 : x
  2. Step 2: Convert to fraction form
    1,439,767.32/2,159,913.42 = 720,485.16/x
  3. Step 3: Cross multiply
    1,439,767.32x = 2,159,913.42 × 720,485.16
  4. Step 4: Simplify right side
    1,439,767.32x = 1,556,185,565,994.85
  5. Step 5: Solve for x
    x = 1,556,185,565,994.85/1,439,767.32
  6. Step 6: Final answer
    x = 1,080,859.07

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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.