Home / 1,272,139.16-1,907,913.03-373,339.56

Finding the Fourth Proportional to 1,272,139.16, 1,907,913.03 and 373,339.56

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Solution

The fourth proportional to 1,272,139.16, 1,907,913.03 and 373,339.56 is: 559,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,139.16 : 1,907,913.03 = 373,339.56 : x
  2. Step 2: Convert to fraction form
    1,272,139.16/1,907,913.03 = 373,339.56/x
  3. Step 3: Cross multiply
    1,272,139.16x = 1,907,913.03 × 373,339.56
  4. Step 4: Simplify right side
    1,272,139.16x = 712,299,418,993.15
  5. Step 5: Solve for x
    x = 712,299,418,993.15/1,272,139.16
  6. Step 6: Final answer
    x = 559,922.57

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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.