Home / 1,658,836.02-2,486,772.27-647,722.74

Finding the Fourth Proportional to 1,658,836.02, 2,486,772.27 and 647,722.74

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Solution

The fourth proportional to 1,658,836.02, 2,486,772.27 and 647,722.74 is: 971,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,836.02 : 2,486,772.27 = 647,722.74 : x
  2. Step 2: Convert to fraction form
    1,658,836.02/2,486,772.27 = 647,722.74/x
  3. Step 3: Cross multiply
    1,658,836.02x = 2,486,772.27 × 647,722.74
  4. Step 4: Simplify right side
    1,658,836.02x = 1,610,738,948,480.42
  5. Step 5: Solve for x
    x = 1,610,738,948,480.42/1,658,836.02
  6. Step 6: Final answer
    x = 971,005.53

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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.