Home / 1,126,312.13-1,689,450.10-273,390.77

Finding the Fourth Proportional to 1,126,312.13, 1,689,450.10 and 273,390.77

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Solution

The fourth proportional to 1,126,312.13, 1,689,450.10 and 273,390.77 is: 410,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,312.13 : 1,689,450.10 = 273,390.77 : x
  2. Step 2: Convert to fraction form
    1,126,312.13/1,689,450.10 = 273,390.77/x
  3. Step 3: Cross multiply
    1,126,312.13x = 1,689,450.10 × 273,390.77
  4. Step 4: Simplify right side
    1,126,312.13x = 461,880,063,715.58
  5. Step 5: Solve for x
    x = 461,880,063,715.58/1,126,312.13
  6. Step 6: Final answer
    x = 410,081.76

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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.