Home / 1,368,716.34-1,888,840.77-756,910.50

Finding the Fourth Proportional to 1,368,716.34, 1,888,840.77 and 756,910.50

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Solution

The fourth proportional to 1,368,716.34, 1,888,840.77 and 756,910.50 is: 1,044,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,716.34 : 1,888,840.77 = 756,910.50 : x
  2. Step 2: Convert to fraction form
    1,368,716.34/1,888,840.77 = 756,910.50/x
  3. Step 3: Cross multiply
    1,368,716.34x = 1,888,840.77 × 756,910.50
  4. Step 4: Simplify right side
    1,368,716.34x = 1,429,683,411,641.09
  5. Step 5: Solve for x
    x = 1,429,683,411,641.09/1,368,716.34
  6. Step 6: Final answer
    x = 1,044,543.25

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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.