Home / 1,423,648.80-2,134,851.03-426,143.52

Finding the Fourth Proportional to 1,423,648.80, 2,134,851.03 and 426,143.52

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Solution

The fourth proportional to 1,423,648.80, 2,134,851.03 and 426,143.52 is: 639,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,648.80 : 2,134,851.03 = 426,143.52 : x
  2. Step 2: Convert to fraction form
    1,423,648.80/2,134,851.03 = 426,143.52/x
  3. Step 3: Cross multiply
    1,423,648.80x = 2,134,851.03 × 426,143.52
  4. Step 4: Simplify right side
    1,423,648.80x = 909,752,932,599.83
  5. Step 5: Solve for x
    x = 909,752,932,599.83/1,423,648.80
  6. Step 6: Final answer
    x = 639,029.04

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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.