Home / 1,429,603.26-2,143,775.07-671,660.16

Finding the Fourth Proportional to 1,429,603.26, 2,143,775.07 and 671,660.16

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Solution

The fourth proportional to 1,429,603.26, 2,143,775.07 and 671,660.16 is: 1,007,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,603.26 : 2,143,775.07 = 671,660.16 : x
  2. Step 2: Convert to fraction form
    1,429,603.26/2,143,775.07 = 671,660.16/x
  3. Step 3: Cross multiply
    1,429,603.26x = 2,143,775.07 × 671,660.16
  4. Step 4: Simplify right side
    1,429,603.26x = 1,439,888,306,520.21
  5. Step 5: Solve for x
    x = 1,439,888,306,520.21/1,429,603.26
  6. Step 6: Final answer
    x = 1,007,194.34

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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.