Home / 1,186,878.77-1,780,131.76-377,156.58

Finding the Fourth Proportional to 1,186,878.77, 1,780,131.76 and 377,156.58

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Solution

The fourth proportional to 1,186,878.77, 1,780,131.76 and 377,156.58 is: 565,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,878.77 : 1,780,131.76 = 377,156.58 : x
  2. Step 2: Convert to fraction form
    1,186,878.77/1,780,131.76 = 377,156.58/x
  3. Step 3: Cross multiply
    1,186,878.77x = 1,780,131.76 × 377,156.58
  4. Step 4: Simplify right side
    1,186,878.77x = 671,388,406,550.98
  5. Step 5: Solve for x
    x = 671,388,406,550.98/1,186,878.77
  6. Step 6: Final answer
    x = 565,675.64

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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.