Home / 1,461,529.78-2,191,654.97-778,272.71

Finding the Fourth Proportional to 1,461,529.78, 2,191,654.97 and 778,272.71

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Solution

The fourth proportional to 1,461,529.78, 2,191,654.97 and 778,272.71 is: 1,167,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,529.78 : 2,191,654.97 = 778,272.71 : x
  2. Step 2: Convert to fraction form
    1,461,529.78/2,191,654.97 = 778,272.71/x
  3. Step 3: Cross multiply
    1,461,529.78x = 2,191,654.97 × 778,272.71
  4. Step 4: Simplify right side
    1,461,529.78x = 1,705,705,240,955.75
  5. Step 5: Solve for x
    x = 1,705,705,240,955.75/1,461,529.78
  6. Step 6: Final answer
    x = 1,167,068.42

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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.