Home / 1,531,674.59-2,298,930.55-774,049.19

Finding the Fourth Proportional to 1,531,674.59, 2,298,930.55 and 774,049.19

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Solution

The fourth proportional to 1,531,674.59, 2,298,930.55 and 774,049.19 is: 1,161,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,674.59 : 2,298,930.55 = 774,049.19 : x
  2. Step 2: Convert to fraction form
    1,531,674.59/2,298,930.55 = 774,049.19/x
  3. Step 3: Cross multiply
    1,531,674.59x = 2,298,930.55 × 774,049.19
  4. Step 4: Simplify right side
    1,531,674.59x = 1,779,485,316,663.98
  5. Step 5: Solve for x
    x = 1,779,485,316,663.98/1,531,674.59
  6. Step 6: Final answer
    x = 1,161,790.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.