Home / 1,295,830.88-1,943,732.28-442,894.40

Finding the Fourth Proportional to 1,295,830.88, 1,943,732.28 and 442,894.40

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Solution

The fourth proportional to 1,295,830.88, 1,943,732.28 and 442,894.40 is: 664,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,830.88 : 1,943,732.28 = 442,894.40 : x
  2. Step 2: Convert to fraction form
    1,295,830.88/1,943,732.28 = 442,894.40/x
  3. Step 3: Cross multiply
    1,295,830.88x = 1,943,732.28 × 442,894.40
  4. Step 4: Simplify right side
    1,295,830.88x = 860,868,141,911.23
  5. Step 5: Solve for x
    x = 860,868,141,911.23/1,295,830.88
  6. Step 6: Final answer
    x = 664,336.80

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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.