Home / 1,362,280.15-1,879,849.53-810,966.61

Finding the Fourth Proportional to 1,362,280.15, 1,879,849.53 and 810,966.61

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Solution

The fourth proportional to 1,362,280.15, 1,879,849.53 and 810,966.61 is: 1,119,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,280.15 : 1,879,849.53 = 810,966.61 : x
  2. Step 2: Convert to fraction form
    1,362,280.15/1,879,849.53 = 810,966.61/x
  3. Step 3: Cross multiply
    1,362,280.15x = 1,879,849.53 × 810,966.61
  4. Step 4: Simplify right side
    1,362,280.15x = 1,524,495,200,654.19
  5. Step 5: Solve for x
    x = 1,524,495,200,654.19/1,362,280.15
  6. Step 6: Final answer
    x = 1,119,076.13

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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.