Home / 1,115,060.66-1,671,657.15-777,109.94

Finding the Fourth Proportional to 1,115,060.66, 1,671,657.15 and 777,109.94

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Solution

The fourth proportional to 1,115,060.66, 1,671,657.15 and 777,109.94 is: 1,165,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,060.66 : 1,671,657.15 = 777,109.94 : x
  2. Step 2: Convert to fraction form
    1,115,060.66/1,671,657.15 = 777,109.94/x
  3. Step 3: Cross multiply
    1,115,060.66x = 1,671,657.15 × 777,109.94
  4. Step 4: Simplify right side
    1,115,060.66x = 1,299,061,387,537.07
  5. Step 5: Solve for x
    x = 1,299,061,387,537.07/1,115,060.66
  6. Step 6: Final answer
    x = 1,165,014.10

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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.