Home / 1,343,039.88-1,855,059.39-974,929.51

Finding the Fourth Proportional to 1,343,039.88, 1,855,059.39 and 974,929.51

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Solution

The fourth proportional to 1,343,039.88, 1,855,059.39 and 974,929.51 is: 1,346,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,039.88 : 1,855,059.39 = 974,929.51 : x
  2. Step 2: Convert to fraction form
    1,343,039.88/1,855,059.39 = 974,929.51/x
  3. Step 3: Cross multiply
    1,343,039.88x = 1,855,059.39 × 974,929.51
  4. Step 4: Simplify right side
    1,343,039.88x = 1,808,552,137,475.95
  5. Step 5: Solve for x
    x = 1,808,552,137,475.95/1,343,039.88
  6. Step 6: Final answer
    x = 1,346,610.90

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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.