Home / 1,429,610.76-2,143,786.32-671,667.66

Finding the Fourth Proportional to 1,429,610.76, 2,143,786.32 and 671,667.66

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Solution

The fourth proportional to 1,429,610.76, 2,143,786.32 and 671,667.66 is: 1,007,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,610.76 : 2,143,786.32 = 671,667.66 : x
  2. Step 2: Convert to fraction form
    1,429,610.76/2,143,786.32 = 671,667.66/x
  3. Step 3: Cross multiply
    1,429,610.76x = 2,143,786.32 × 671,667.66
  4. Step 4: Simplify right side
    1,429,610.76x = 1,439,911,941,094.41
  5. Step 5: Solve for x
    x = 1,439,911,941,094.41/1,429,610.76
  6. Step 6: Final answer
    x = 1,007,205.58

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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.