Home / 1,043,515.80-1,565,498.52-323,843.40

Finding the Fourth Proportional to 1,043,515.80, 1,565,498.52 and 323,843.40

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Solution

The fourth proportional to 1,043,515.80, 1,565,498.52 and 323,843.40 is: 485,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,515.80 : 1,565,498.52 = 323,843.40 : x
  2. Step 2: Convert to fraction form
    1,043,515.80/1,565,498.52 = 323,843.40/x
  3. Step 3: Cross multiply
    1,043,515.80x = 1,565,498.52 × 323,843.40
  4. Step 4: Simplify right side
    1,043,515.80x = 506,976,363,411.77
  5. Step 5: Solve for x
    x = 506,976,363,411.77/1,043,515.80
  6. Step 6: Final answer
    x = 485,834.87

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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.