Home / 1,605,702.89-2,408,651.64-646,154.77

Finding the Fourth Proportional to 1,605,702.89, 2,408,651.64 and 646,154.77

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Solution

The fourth proportional to 1,605,702.89, 2,408,651.64 and 646,154.77 is: 969,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,702.89 : 2,408,651.64 = 646,154.77 : x
  2. Step 2: Convert to fraction form
    1,605,702.89/2,408,651.64 = 646,154.77/x
  3. Step 3: Cross multiply
    1,605,702.89x = 2,408,651.64 × 646,154.77
  4. Step 4: Simplify right side
    1,605,702.89x = 1,556,361,744,948.92
  5. Step 5: Solve for x
    x = 1,556,361,744,948.92/1,605,702.89
  6. Step 6: Final answer
    x = 969,271.31

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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.