Home / 778,884.15-1,092,012.45-778,884.15

Finding the Fourth Proportional to 778,884.15, 1,092,012.45 and 778,884.15

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Solution

The fourth proportional to 778,884.15, 1,092,012.45 and 778,884.15 is: 1,092,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,884.15 : 1,092,012.45 = 778,884.15 : x
  2. Step 2: Convert to fraction form
    778,884.15/1,092,012.45 = 778,884.15/x
  3. Step 3: Cross multiply
    778,884.15x = 1,092,012.45 × 778,884.15
  4. Step 4: Simplify right side
    778,884.15x = 850,551,188,907.67
  5. Step 5: Solve for x
    x = 850,551,188,907.67/778,884.15
  6. Step 6: Final answer
    x = 1,092,012.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.