Home / 1,351,748.52-1,865,286.54-807,776.28

Finding the Fourth Proportional to 1,351,748.52, 1,865,286.54 and 807,776.28

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Solution

The fourth proportional to 1,351,748.52, 1,865,286.54 and 807,776.28 is: 1,114,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,748.52 : 1,865,286.54 = 807,776.28 : x
  2. Step 2: Convert to fraction form
    1,351,748.52/1,865,286.54 = 807,776.28/x
  3. Step 3: Cross multiply
    1,351,748.52x = 1,865,286.54 × 807,776.28
  4. Step 4: Simplify right side
    1,351,748.52x = 1,506,734,222,415.27
  5. Step 5: Solve for x
    x = 1,506,734,222,415.27/1,351,748.52
  6. Step 6: Final answer
    x = 1,114,655.72

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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.