Home / 1,296,350.58-1,788,963.93-715,573.92

Finding the Fourth Proportional to 1,296,350.58, 1,788,963.93 and 715,573.92

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Solution

The fourth proportional to 1,296,350.58, 1,788,963.93 and 715,573.92 is: 987,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,350.58 : 1,788,963.93 = 715,573.92 : x
  2. Step 2: Convert to fraction form
    1,296,350.58/1,788,963.93 = 715,573.92/x
  3. Step 3: Cross multiply
    1,296,350.58x = 1,788,963.93 × 715,573.92
  4. Step 4: Simplify right side
    1,296,350.58x = 1,280,135,932,128.71
  5. Step 5: Solve for x
    x = 1,280,135,932,128.71/1,296,350.58
  6. Step 6: Final answer
    x = 987,492.08

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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.