Home / 1,017,500.20-1,404,155.70-635,748.40

Finding the Fourth Proportional to 1,017,500.20, 1,404,155.70 and 635,748.40

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Solution

The fourth proportional to 1,017,500.20, 1,404,155.70 and 635,748.40 is: 877,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,500.20 : 1,404,155.70 = 635,748.40 : x
  2. Step 2: Convert to fraction form
    1,017,500.20/1,404,155.70 = 635,748.40/x
  3. Step 3: Cross multiply
    1,017,500.20x = 1,404,155.70 × 635,748.40
  4. Step 4: Simplify right side
    1,017,500.20x = 892,689,739,625.88
  5. Step 5: Solve for x
    x = 892,689,739,625.88/1,017,500.20
  6. Step 6: Final answer
    x = 877,336.18

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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.