Home / 1,248,925.53-1,723,559.21-765,397.45

Finding the Fourth Proportional to 1,248,925.53, 1,723,559.21 and 765,397.45

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Solution

The fourth proportional to 1,248,925.53, 1,723,559.21 and 765,397.45 is: 1,056,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,925.53 : 1,723,559.21 = 765,397.45 : x
  2. Step 2: Convert to fraction form
    1,248,925.53/1,723,559.21 = 765,397.45/x
  3. Step 3: Cross multiply
    1,248,925.53x = 1,723,559.21 × 765,397.45
  4. Step 4: Simplify right side
    1,248,925.53x = 1,319,207,825,455.72
  5. Step 5: Solve for x
    x = 1,319,207,825,455.72/1,248,925.53
  6. Step 6: Final answer
    x = 1,056,274.21

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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.