Home / 1,345,302.95-1,855,468.28-861,913.37

Finding the Fourth Proportional to 1,345,302.95, 1,855,468.28 and 861,913.37

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Solution

The fourth proportional to 1,345,302.95, 1,855,468.28 and 861,913.37 is: 1,188,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,302.95 : 1,855,468.28 = 861,913.37 : x
  2. Step 2: Convert to fraction form
    1,345,302.95/1,855,468.28 = 861,913.37/x
  3. Step 3: Cross multiply
    1,345,302.95x = 1,855,468.28 × 861,913.37
  4. Step 4: Simplify right side
    1,345,302.95x = 1,599,252,924,936.36
  5. Step 5: Solve for x
    x = 1,599,252,924,936.36/1,345,302.95
  6. Step 6: Final answer
    x = 1,188,767.88

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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.