Home / 1,432,521.63-1,976,838.15-787,941.64

Finding the Fourth Proportional to 1,432,521.63, 1,976,838.15 and 787,941.64

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Solution

The fourth proportional to 1,432,521.63, 1,976,838.15 and 787,941.64 is: 1,087,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,521.63 : 1,976,838.15 = 787,941.64 : x
  2. Step 2: Convert to fraction form
    1,432,521.63/1,976,838.15 = 787,941.64/x
  3. Step 3: Cross multiply
    1,432,521.63x = 1,976,838.15 × 787,941.64
  4. Step 4: Simplify right side
    1,432,521.63x = 1,557,633,093,925.57
  5. Step 5: Solve for x
    x = 1,557,633,093,925.57/1,432,521.63
  6. Step 6: Final answer
    x = 1,087,336.53

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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.