Home / 1,229,634.02-1,697,199.20-837,815.18

Finding the Fourth Proportional to 1,229,634.02, 1,697,199.20 and 837,815.18

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Solution

The fourth proportional to 1,229,634.02, 1,697,199.20 and 837,815.18 is: 1,156,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,634.02 : 1,697,199.20 = 837,815.18 : x
  2. Step 2: Convert to fraction form
    1,229,634.02/1,697,199.20 = 837,815.18/x
  3. Step 3: Cross multiply
    1,229,634.02x = 1,697,199.20 × 837,815.18
  4. Step 4: Simplify right side
    1,229,634.02x = 1,421,939,253,243.86
  5. Step 5: Solve for x
    x = 1,421,939,253,243.86/1,229,634.02
  6. Step 6: Final answer
    x = 1,156,392.25

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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.