Home / 1,225,310.58-1,838,214.98-426,654.40

Finding the Fourth Proportional to 1,225,310.58, 1,838,214.98 and 426,654.40

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Solution

The fourth proportional to 1,225,310.58, 1,838,214.98 and 426,654.40 is: 640,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,310.58 : 1,838,214.98 = 426,654.40 : x
  2. Step 2: Convert to fraction form
    1,225,310.58/1,838,214.98 = 426,654.40/x
  3. Step 3: Cross multiply
    1,225,310.58x = 1,838,214.98 × 426,654.40
  4. Step 4: Simplify right side
    1,225,310.58x = 784,282,503,324.49
  5. Step 5: Solve for x
    x = 784,282,503,324.49/1,225,310.58
  6. Step 6: Final answer
    x = 640,068.34

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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.