Home / 1,437,714.90-2,156,203.17-426,597.69

Finding the Fourth Proportional to 1,437,714.90, 2,156,203.17 and 426,597.69

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Solution

The fourth proportional to 1,437,714.90, 2,156,203.17 and 426,597.69 is: 639,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,714.90 : 2,156,203.17 = 426,597.69 : x
  2. Step 2: Convert to fraction form
    1,437,714.90/2,156,203.17 = 426,597.69/x
  3. Step 3: Cross multiply
    1,437,714.90x = 2,156,203.17 × 426,597.69
  4. Step 4: Simplify right side
    1,437,714.90x = 919,831,291,492.68
  5. Step 5: Solve for x
    x = 919,831,291,492.68/1,437,714.90
  6. Step 6: Final answer
    x = 639,786.99

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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.