Home / 1,014,821.46-1,398,821.40-688,028.58

Finding the Fourth Proportional to 1,014,821.46, 1,398,821.40 and 688,028.58

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Solution

The fourth proportional to 1,014,821.46, 1,398,821.40 and 688,028.58 is: 948,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,821.46 : 1,398,821.40 = 688,028.58 : x
  2. Step 2: Convert to fraction form
    1,014,821.46/1,398,821.40 = 688,028.58/x
  3. Step 3: Cross multiply
    1,014,821.46x = 1,398,821.40 × 688,028.58
  4. Step 4: Simplify right side
    1,014,821.46x = 962,429,101,515.61
  5. Step 5: Solve for x
    x = 962,429,101,515.61/1,014,821.46
  6. Step 6: Final answer
    x = 948,372.83

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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.