Home / 1,112,450.75-1,668,842.65-402,644.87

Finding the Fourth Proportional to 1,112,450.75, 1,668,842.65 and 402,644.87

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Solution

The fourth proportional to 1,112,450.75, 1,668,842.65 and 402,644.87 is: 604,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,450.75 : 1,668,842.65 = 402,644.87 : x
  2. Step 2: Convert to fraction form
    1,112,450.75/1,668,842.65 = 402,644.87/x
  3. Step 3: Cross multiply
    1,112,450.75x = 1,668,842.65 × 402,644.87
  4. Step 4: Simplify right side
    1,112,450.75x = 671,950,923,515.49
  5. Step 5: Solve for x
    x = 671,950,923,515.49/1,112,450.75
  6. Step 6: Final answer
    x = 604,027.57

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1.5x scale

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.