Home / 1,412,155.65-1,948,786.56-767,575.74

Finding the Fourth Proportional to 1,412,155.65, 1,948,786.56 and 767,575.74

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Solution

The fourth proportional to 1,412,155.65, 1,948,786.56 and 767,575.74 is: 1,059,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,155.65 : 1,948,786.56 = 767,575.74 : x
  2. Step 2: Convert to fraction form
    1,412,155.65/1,948,786.56 = 767,575.74/x
  3. Step 3: Cross multiply
    1,412,155.65x = 1,948,786.56 × 767,575.74
  4. Step 4: Simplify right side
    1,412,155.65x = 1,495,841,285,894.05
  5. Step 5: Solve for x
    x = 1,495,841,285,894.05/1,412,155.65
  6. Step 6: Final answer
    x = 1,059,260.91

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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.