Home / 1,366,036.37-1,885,295.49-777,478.90

Finding the Fourth Proportional to 1,366,036.37, 1,885,295.49 and 777,478.90

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Solution

The fourth proportional to 1,366,036.37, 1,885,295.49 and 777,478.90 is: 1,073,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,036.37 : 1,885,295.49 = 777,478.90 : x
  2. Step 2: Convert to fraction form
    1,366,036.37/1,885,295.49 = 777,478.90/x
  3. Step 3: Cross multiply
    1,366,036.37x = 1,885,295.49 × 777,478.90
  4. Step 4: Simplify right side
    1,366,036.37x = 1,465,777,463,740.16
  5. Step 5: Solve for x
    x = 1,465,777,463,740.16/1,366,036.37
  6. Step 6: Final answer
    x = 1,073,014.96

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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.