Home / 1,029,686.40-1,544,529.60-693,763.20

Finding the Fourth Proportional to 1,029,686.40, 1,544,529.60 and 693,763.20

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Solution

The fourth proportional to 1,029,686.40, 1,544,529.60 and 693,763.20 is: 1,040,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,686.40 : 1,544,529.60 = 693,763.20 : x
  2. Step 2: Convert to fraction form
    1,029,686.40/1,544,529.60 = 693,763.20/x
  3. Step 3: Cross multiply
    1,029,686.40x = 1,544,529.60 × 693,763.20
  4. Step 4: Simplify right side
    1,029,686.40x = 1,071,537,797,790.72
  5. Step 5: Solve for x
    x = 1,071,537,797,790.72/1,029,686.40
  6. Step 6: Final answer
    x = 1,040,644.80

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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.