Home / 1,013,986.92-1,521,772.98-445,760.58

Finding the Fourth Proportional to 1,013,986.92, 1,521,772.98 and 445,760.58

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Solution

The fourth proportional to 1,013,986.92, 1,521,772.98 and 445,760.58 is: 668,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,986.92 : 1,521,772.98 = 445,760.58 : x
  2. Step 2: Convert to fraction form
    1,013,986.92/1,521,772.98 = 445,760.58/x
  3. Step 3: Cross multiply
    1,013,986.92x = 1,521,772.98 × 445,760.58
  4. Step 4: Simplify right side
    1,013,986.92x = 678,346,406,193.13
  5. Step 5: Solve for x
    x = 678,346,406,193.13/1,013,986.92
  6. Step 6: Final answer
    x = 668,989.31

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1.5x scale

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.