Home / 1,277,345.54-1,913,849.37-770,842.18

Finding the Fourth Proportional to 1,277,345.54, 1,913,849.37 and 770,842.18

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Solution

The fourth proportional to 1,277,345.54, 1,913,849.37 and 770,842.18 is: 1,154,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,345.54 : 1,913,849.37 = 770,842.18 : x
  2. Step 2: Convert to fraction form
    1,277,345.54/1,913,849.37 = 770,842.18/x
  3. Step 3: Cross multiply
    1,277,345.54x = 1,913,849.37 × 770,842.18
  4. Step 4: Simplify right side
    1,277,345.54x = 1,475,275,820,562.43
  5. Step 5: Solve for x
    x = 1,475,275,820,562.43/1,277,345.54
  6. Step 6: Final answer
    x = 1,154,954.38

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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.