Home / 1,521,929.78-2,282,913.78-456,909.92

Finding the Fourth Proportional to 1,521,929.78, 2,282,913.78 and 456,909.92

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Solution

The fourth proportional to 1,521,929.78, 2,282,913.78 and 456,909.92 is: 685,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,929.78 : 2,282,913.78 = 456,909.92 : x
  2. Step 2: Convert to fraction form
    1,521,929.78/2,282,913.78 = 456,909.92/x
  3. Step 3: Cross multiply
    1,521,929.78x = 2,282,913.78 × 456,909.92
  4. Step 4: Simplify right side
    1,521,929.78x = 1,043,085,952,586.70
  5. Step 5: Solve for x
    x = 1,043,085,952,586.70/1,521,929.78
  6. Step 6: Final answer
    x = 685,370.62

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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.