Home / 1,070,588.20-1,606,098.30-312,428.20

Finding the Fourth Proportional to 1,070,588.20, 1,606,098.30 and 312,428.20

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Solution

The fourth proportional to 1,070,588.20, 1,606,098.30 and 312,428.20 is: 468,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,588.20 : 1,606,098.30 = 312,428.20 : x
  2. Step 2: Convert to fraction form
    1,070,588.20/1,606,098.30 = 312,428.20/x
  3. Step 3: Cross multiply
    1,070,588.20x = 1,606,098.30 × 312,428.20
  4. Step 4: Simplify right side
    1,070,588.20x = 501,790,400,892.06
  5. Step 5: Solve for x
    x = 501,790,400,892.06/1,070,588.20
  6. Step 6: Final answer
    x = 468,705.33

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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.