Home / 1,422,689.18-1,963,286.24-778,095.24

Finding the Fourth Proportional to 1,422,689.18, 1,963,286.24 and 778,095.24

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Solution

The fourth proportional to 1,422,689.18, 1,963,286.24 and 778,095.24 is: 1,073,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,689.18 : 1,963,286.24 = 778,095.24 : x
  2. Step 2: Convert to fraction form
    1,422,689.18/1,963,286.24 = 778,095.24/x
  3. Step 3: Cross multiply
    1,422,689.18x = 1,963,286.24 × 778,095.24
  4. Step 4: Simplify right side
    1,422,689.18x = 1,527,623,678,101.50
  5. Step 5: Solve for x
    x = 1,527,623,678,101.50/1,422,689.18
  6. Step 6: Final answer
    x = 1,073,757.85

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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.