Home / 1,368,903.88-1,888,877.50-788,014.77

Finding the Fourth Proportional to 1,368,903.88, 1,888,877.50 and 788,014.77

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Solution

The fourth proportional to 1,368,903.88, 1,888,877.50 and 788,014.77 is: 1,087,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,903.88 : 1,888,877.50 = 788,014.77 : x
  2. Step 2: Convert to fraction form
    1,368,903.88/1,888,877.50 = 788,014.77/x
  3. Step 3: Cross multiply
    1,368,903.88x = 1,888,877.50 × 788,014.77
  4. Step 4: Simplify right side
    1,368,903.88x = 1,488,463,374,724.87
  5. Step 5: Solve for x
    x = 1,488,463,374,724.87/1,368,903.88
  6. Step 6: Final answer
    x = 1,087,339.58

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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.