Home / 1,273,940.50-1,911,206.01-432,492.25

Finding the Fourth Proportional to 1,273,940.50, 1,911,206.01 and 432,492.25

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Solution

The fourth proportional to 1,273,940.50, 1,911,206.01 and 432,492.25 is: 648,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,940.50 : 1,911,206.01 = 432,492.25 : x
  2. Step 2: Convert to fraction form
    1,273,940.50/1,911,206.01 = 432,492.25/x
  3. Step 3: Cross multiply
    1,273,940.50x = 1,911,206.01 × 432,492.25
  4. Step 4: Simplify right side
    1,273,940.50x = 826,581,787,478.42
  5. Step 5: Solve for x
    x = 826,581,787,478.42/1,273,940.50
  6. Step 6: Final answer
    x = 648,838.61

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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.