Home / 1,307,428.96-1,803,733.14-756,042.78

Finding the Fourth Proportional to 1,307,428.96, 1,803,733.14 and 756,042.78

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Solution

The fourth proportional to 1,307,428.96, 1,803,733.14 and 756,042.78 is: 1,043,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,428.96 : 1,803,733.14 = 756,042.78 : x
  2. Step 2: Convert to fraction form
    1,307,428.96/1,803,733.14 = 756,042.78/x
  3. Step 3: Cross multiply
    1,307,428.96x = 1,803,733.14 × 756,042.78
  4. Step 4: Simplify right side
    1,307,428.96x = 1,363,699,417,543.73
  5. Step 5: Solve for x
    x = 1,363,699,417,543.73/1,307,428.96
  6. Step 6: Final answer
    x = 1,043,039.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.