Home / 1,293,484.74-1,785,064.17-720,525.30

Finding the Fourth Proportional to 1,293,484.74, 1,785,064.17 and 720,525.30

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Solution

The fourth proportional to 1,293,484.74, 1,785,064.17 and 720,525.30 is: 994,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,484.74 : 1,785,064.17 = 720,525.30 : x
  2. Step 2: Convert to fraction form
    1,293,484.74/1,785,064.17 = 720,525.30/x
  3. Step 3: Cross multiply
    1,293,484.74x = 1,785,064.17 × 720,525.30
  4. Step 4: Simplify right side
    1,293,484.74x = 1,286,183,896,608.50
  5. Step 5: Solve for x
    x = 1,286,183,896,608.50/1,293,484.74
  6. Step 6: Final answer
    x = 994,355.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.