Home / 1,038,369.26-1,557,718.58-439,334.91

Finding the Fourth Proportional to 1,038,369.26, 1,557,718.58 and 439,334.91

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Solution

The fourth proportional to 1,038,369.26, 1,557,718.58 and 439,334.91 is: 659,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,369.26 : 1,557,718.58 = 439,334.91 : x
  2. Step 2: Convert to fraction form
    1,038,369.26/1,557,718.58 = 439,334.91/x
  3. Step 3: Cross multiply
    1,038,369.26x = 1,557,718.58 × 439,334.91
  4. Step 4: Simplify right side
    1,038,369.26x = 684,360,149,952.95
  5. Step 5: Solve for x
    x = 684,360,149,952.95/1,038,369.26
  6. Step 6: Final answer
    x = 659,072.04

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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.