Home / 1,053,840.40-1,580,758.26-814,302.64

Finding the Fourth Proportional to 1,053,840.40, 1,580,758.26 and 814,302.64

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Solution

The fourth proportional to 1,053,840.40, 1,580,758.26 and 814,302.64 is: 1,221,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,840.40 : 1,580,758.26 = 814,302.64 : x
  2. Step 2: Convert to fraction form
    1,053,840.40/1,580,758.26 = 814,302.64/x
  3. Step 3: Cross multiply
    1,053,840.40x = 1,580,758.26 × 814,302.64
  4. Step 4: Simplify right side
    1,053,840.40x = 1,287,215,624,319.81
  5. Step 5: Solve for x
    x = 1,287,215,624,319.81/1,053,840.40
  6. Step 6: Final answer
    x = 1,221,452.15

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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.