Home / 1,280,563.34-1,920,582.50-470,668.64

Finding the Fourth Proportional to 1,280,563.34, 1,920,582.50 and 470,668.64

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Solution

The fourth proportional to 1,280,563.34, 1,920,582.50 and 470,668.64 is: 705,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,563.34 : 1,920,582.50 = 470,668.64 : x
  2. Step 2: Convert to fraction form
    1,280,563.34/1,920,582.50 = 470,668.64/x
  3. Step 3: Cross multiply
    1,280,563.34x = 1,920,582.50 × 470,668.64
  4. Step 4: Simplify right side
    1,280,563.34x = 903,957,953,282.80
  5. Step 5: Solve for x
    x = 903,957,953,282.80/1,280,563.34
  6. Step 6: Final answer
    x = 705,906.47

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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.