Home / 1,044,137.10-1,566,205.65-643,478.70

Finding the Fourth Proportional to 1,044,137.10, 1,566,205.65 and 643,478.70

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Solution

The fourth proportional to 1,044,137.10, 1,566,205.65 and 643,478.70 is: 965,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,137.10 : 1,566,205.65 = 643,478.70 : x
  2. Step 2: Convert to fraction form
    1,044,137.10/1,566,205.65 = 643,478.70/x
  3. Step 3: Cross multiply
    1,044,137.10x = 1,566,205.65 × 643,478.70
  4. Step 4: Simplify right side
    1,044,137.10x = 1,007,819,975,594.65
  5. Step 5: Solve for x
    x = 1,007,819,975,594.65/1,044,137.10
  6. Step 6: Final answer
    x = 965,218.05

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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.