Home / 1,399,944.34-1,931,926.38-779,744.54

Finding the Fourth Proportional to 1,399,944.34, 1,931,926.38 and 779,744.54

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Solution

The fourth proportional to 1,399,944.34, 1,931,926.38 and 779,744.54 is: 1,076,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,944.34 : 1,931,926.38 = 779,744.54 : x
  2. Step 2: Convert to fraction form
    1,399,944.34/1,931,926.38 = 779,744.54/x
  3. Step 3: Cross multiply
    1,399,944.34x = 1,931,926.38 × 779,744.54
  4. Step 4: Simplify right side
    1,399,944.34x = 1,506,409,051,316.78
  5. Step 5: Solve for x
    x = 1,506,409,051,316.78/1,399,944.34
  6. Step 6: Final answer
    x = 1,076,049.25

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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.