Home / 931,925.39-1,288,348.85-923,400.21

Finding the Fourth Proportional to 931,925.39, 1,288,348.85 and 923,400.21

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Solution

The fourth proportional to 931,925.39, 1,288,348.85 and 923,400.21 is: 1,276,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,925.39 : 1,288,348.85 = 923,400.21 : x
  2. Step 2: Convert to fraction form
    931,925.39/1,288,348.85 = 923,400.21/x
  3. Step 3: Cross multiply
    931,925.39x = 1,288,348.85 × 923,400.21
  4. Step 4: Simplify right side
    931,925.39x = 1,189,661,594,026.26
  5. Step 5: Solve for x
    x = 1,189,661,594,026.26/931,925.39
  6. Step 6: Final answer
    x = 1,276,563.13

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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.