Home / 1,053,276.64-1,580,078.80-343,139.36

Finding the Fourth Proportional to 1,053,276.64, 1,580,078.80 and 343,139.36

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Solution

The fourth proportional to 1,053,276.64, 1,580,078.80 and 343,139.36 is: 514,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,276.64 : 1,580,078.80 = 343,139.36 : x
  2. Step 2: Convert to fraction form
    1,053,276.64/1,580,078.80 = 343,139.36/x
  3. Step 3: Cross multiply
    1,053,276.64x = 1,580,078.80 × 343,139.36
  4. Step 4: Simplify right side
    1,053,276.64x = 542,187,228,181.57
  5. Step 5: Solve for x
    x = 542,187,228,181.57/1,053,276.64
  6. Step 6: Final answer
    x = 514,762.42

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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.