Home / 926,043.08-1,277,688.65-635,743.43

Finding the Fourth Proportional to 926,043.08, 1,277,688.65 and 635,743.43

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Solution

The fourth proportional to 926,043.08, 1,277,688.65 and 635,743.43 is: 877,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,043.08 : 1,277,688.65 = 635,743.43 : x
  2. Step 2: Convert to fraction form
    926,043.08/1,277,688.65 = 635,743.43/x
  3. Step 3: Cross multiply
    926,043.08x = 1,277,688.65 × 635,743.43
  4. Step 4: Simplify right side
    926,043.08x = 812,282,160,023.99
  5. Step 5: Solve for x
    x = 812,282,160,023.99/926,043.08
  6. Step 6: Final answer
    x = 877,153.75

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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.