Home / 976,100.10-1,462,206.15-859,200.90

Finding the Fourth Proportional to 976,100.10, 1,462,206.15 and 859,200.90

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Solution

The fourth proportional to 976,100.10, 1,462,206.15 and 859,200.90 is: 1,287,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,100.10 : 1,462,206.15 = 859,200.90 : x
  2. Step 2: Convert to fraction form
    976,100.10/1,462,206.15 = 859,200.90/x
  3. Step 3: Cross multiply
    976,100.10x = 1,462,206.15 × 859,200.90
  4. Step 4: Simplify right side
    976,100.10x = 1,256,328,840,065.53
  5. Step 5: Solve for x
    x = 1,256,328,840,065.53/976,100.10
  6. Step 6: Final answer
    x = 1,287,090.17

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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.