Home / 1,053,272.64-1,580,072.80-343,135.36

Finding the Fourth Proportional to 1,053,272.64, 1,580,072.80 and 343,135.36

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Solution

The fourth proportional to 1,053,272.64, 1,580,072.80 and 343,135.36 is: 514,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,272.64 : 1,580,072.80 = 343,135.36 : x
  2. Step 2: Convert to fraction form
    1,053,272.64/1,580,072.80 = 343,135.36/x
  3. Step 3: Cross multiply
    1,053,272.64x = 1,580,072.80 × 343,135.36
  4. Step 4: Simplify right side
    1,053,272.64x = 542,178,849,054.21
  5. Step 5: Solve for x
    x = 542,178,849,054.21/1,053,272.64
  6. Step 6: Final answer
    x = 514,756.42

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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.