Home / 1,138,307.88-1,707,757.02-605,390.70

Finding the Fourth Proportional to 1,138,307.88, 1,707,757.02 and 605,390.70

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Solution

The fourth proportional to 1,138,307.88, 1,707,757.02 and 605,390.70 is: 908,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,307.88 : 1,707,757.02 = 605,390.70 : x
  2. Step 2: Convert to fraction form
    1,138,307.88/1,707,757.02 = 605,390.70/x
  3. Step 3: Cross multiply
    1,138,307.88x = 1,707,757.02 × 605,390.70
  4. Step 4: Simplify right side
    1,138,307.88x = 1,033,860,217,767.71
  5. Step 5: Solve for x
    x = 1,033,860,217,767.71/1,138,307.88
  6. Step 6: Final answer
    x = 908,243.05

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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.