Home / 1,236,741.40-1,855,112.10-956,459.80

Finding the Fourth Proportional to 1,236,741.40, 1,855,112.10 and 956,459.80

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Solution

The fourth proportional to 1,236,741.40, 1,855,112.10 and 956,459.80 is: 1,434,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,741.40 : 1,855,112.10 = 956,459.80 : x
  2. Step 2: Convert to fraction form
    1,236,741.40/1,855,112.10 = 956,459.80/x
  3. Step 3: Cross multiply
    1,236,741.40x = 1,855,112.10 × 956,459.80
  4. Step 4: Simplify right side
    1,236,741.40x = 1,774,340,148,143.58
  5. Step 5: Solve for x
    x = 1,774,340,148,143.58/1,236,741.40
  6. Step 6: Final answer
    x = 1,434,689.70

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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.