Home / 1,187,943.30-1,637,775.86-943,738.34

Finding the Fourth Proportional to 1,187,943.30, 1,637,775.86 and 943,738.34

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Solution

The fourth proportional to 1,187,943.30, 1,637,775.86 and 943,738.34 is: 1,301,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,943.30 : 1,637,775.86 = 943,738.34 : x
  2. Step 2: Convert to fraction form
    1,187,943.30/1,637,775.86 = 943,738.34/x
  3. Step 3: Cross multiply
    1,187,943.30x = 1,637,775.86 × 943,738.34
  4. Step 4: Simplify right side
    1,187,943.30x = 1,545,631,858,500.90
  5. Step 5: Solve for x
    x = 1,545,631,858,500.90/1,187,943.30
  6. Step 6: Final answer
    x = 1,301,099.02

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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.