Home / 1,658,841.77-2,486,780.90-647,728.49

Finding the Fourth Proportional to 1,658,841.77, 2,486,780.90 and 647,728.49

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Solution

The fourth proportional to 1,658,841.77, 2,486,780.90 and 647,728.49 is: 971,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,841.77 : 2,486,780.90 = 647,728.49 : x
  2. Step 2: Convert to fraction form
    1,658,841.77/2,486,780.90 = 647,728.49/x
  3. Step 3: Cross multiply
    1,658,841.77x = 2,486,780.90 × 647,728.49
  4. Step 4: Simplify right side
    1,658,841.77x = 1,610,758,834,079.20
  5. Step 5: Solve for x
    x = 1,610,758,834,079.20/1,658,841.77
  6. Step 6: Final answer
    x = 971,014.15

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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.