Home / 1,054,374.06-1,455,043.20-570,939.21

Finding the Fourth Proportional to 1,054,374.06, 1,455,043.20 and 570,939.21

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Solution

The fourth proportional to 1,054,374.06, 1,455,043.20 and 570,939.21 is: 787,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,374.06 : 1,455,043.20 = 570,939.21 : x
  2. Step 2: Convert to fraction form
    1,054,374.06/1,455,043.20 = 570,939.21/x
  3. Step 3: Cross multiply
    1,054,374.06x = 1,455,043.20 × 570,939.21
  4. Step 4: Simplify right side
    1,054,374.06x = 830,741,215,123.87
  5. Step 5: Solve for x
    x = 830,741,215,123.87/1,054,374.06
  6. Step 6: Final answer
    x = 787,899.90

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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.