Home / 1,712,620.48-2,569,291.44-647,638.96

Finding the Fourth Proportional to 1,712,620.48, 2,569,291.44 and 647,638.96

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Solution

The fourth proportional to 1,712,620.48, 2,569,291.44 and 647,638.96 is: 971,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,620.48 : 2,569,291.44 = 647,638.96 : x
  2. Step 2: Convert to fraction form
    1,712,620.48/2,569,291.44 = 647,638.96/x
  3. Step 3: Cross multiply
    1,712,620.48x = 2,569,291.44 × 647,638.96
  4. Step 4: Simplify right side
    1,712,620.48x = 1,663,973,236,138.50
  5. Step 5: Solve for x
    x = 1,663,973,236,138.50/1,712,620.48
  6. Step 6: Final answer
    x = 971,594.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.