Home / 1,434,033.61-1,974,698.26-1,402,208.71

Finding the Fourth Proportional to 1,434,033.61, 1,974,698.26 and 1,402,208.71

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Solution

The fourth proportional to 1,434,033.61, 1,974,698.26 and 1,402,208.71 is: 1,930,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,033.61 : 1,974,698.26 = 1,402,208.71 : x
  2. Step 2: Convert to fraction form
    1,434,033.61/1,974,698.26 = 1,402,208.71/x
  3. Step 3: Cross multiply
    1,434,033.61x = 1,974,698.26 × 1,402,208.71
  4. Step 4: Simplify right side
    1,434,033.61x = 2,768,939,099,793.84
  5. Step 5: Solve for x
    x = 2,768,939,099,793.84/1,434,033.61
  6. Step 6: Final answer
    x = 1,930,874.62

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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.