Home / 1,190,155.67-1,642,434.41-673,895.94

Finding the Fourth Proportional to 1,190,155.67, 1,642,434.41 and 673,895.94

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Solution

The fourth proportional to 1,190,155.67, 1,642,434.41 and 673,895.94 is: 929,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,155.67 : 1,642,434.41 = 673,895.94 : x
  2. Step 2: Convert to fraction form
    1,190,155.67/1,642,434.41 = 673,895.94/x
  3. Step 3: Cross multiply
    1,190,155.67x = 1,642,434.41 × 673,895.94
  4. Step 4: Simplify right side
    1,190,155.67x = 1,106,829,877,245.82
  5. Step 5: Solve for x
    x = 1,106,829,877,245.82/1,190,155.67
  6. Step 6: Final answer
    x = 929,987.49

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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.