Home / 1,531,992.96-2,298,353.94-771,966.72

Finding the Fourth Proportional to 1,531,992.96, 2,298,353.94 and 771,966.72

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Solution

The fourth proportional to 1,531,992.96, 2,298,353.94 and 771,966.72 is: 1,158,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,992.96 : 2,298,353.94 = 771,966.72 : x
  2. Step 2: Convert to fraction form
    1,531,992.96/2,298,353.94 = 771,966.72/x
  3. Step 3: Cross multiply
    1,531,992.96x = 2,298,353.94 × 771,966.72
  4. Step 4: Simplify right side
    1,531,992.96x = 1,774,252,752,460.88
  5. Step 5: Solve for x
    x = 1,774,252,752,460.88/1,531,992.96
  6. Step 6: Final answer
    x = 1,158,133.75

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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.