Home / 1,085,415.95-1,496,497.43-775,688.47

Finding the Fourth Proportional to 1,085,415.95, 1,496,497.43 and 775,688.47

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Solution

The fourth proportional to 1,085,415.95, 1,496,497.43 and 775,688.47 is: 1,069,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,415.95 : 1,496,497.43 = 775,688.47 : x
  2. Step 2: Convert to fraction form
    1,085,415.95/1,496,497.43 = 775,688.47/x
  3. Step 3: Cross multiply
    1,085,415.95x = 1,496,497.43 × 775,688.47
  4. Step 4: Simplify right side
    1,085,415.95x = 1,160,815,800,033.61
  5. Step 5: Solve for x
    x = 1,160,815,800,033.61/1,085,415.95
  6. Step 6: Final answer
    x = 1,069,466.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.