Home / 1,216,813.07-1,825,080.15-318,341.51

Finding the Fourth Proportional to 1,216,813.07, 1,825,080.15 and 318,341.51

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Solution

The fourth proportional to 1,216,813.07, 1,825,080.15 and 318,341.51 is: 477,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,813.07 : 1,825,080.15 = 318,341.51 : x
  2. Step 2: Convert to fraction form
    1,216,813.07/1,825,080.15 = 318,341.51/x
  3. Step 3: Cross multiply
    1,216,813.07x = 1,825,080.15 × 318,341.51
  4. Step 4: Simplify right side
    1,216,813.07x = 580,998,761,696.63
  5. Step 5: Solve for x
    x = 580,998,761,696.63/1,216,813.07
  6. Step 6: Final answer
    x = 477,475.78

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Double scale
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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.