Home / 1,310,893.13-1,966,570.25-542,388.62

Finding the Fourth Proportional to 1,310,893.13, 1,966,570.25 and 542,388.62

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Solution

The fourth proportional to 1,310,893.13, 1,966,570.25 and 542,388.62 is: 813,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,893.13 : 1,966,570.25 = 542,388.62 : x
  2. Step 2: Convert to fraction form
    1,310,893.13/1,966,570.25 = 542,388.62/x
  3. Step 3: Cross multiply
    1,310,893.13x = 1,966,570.25 × 542,388.62
  4. Step 4: Simplify right side
    1,310,893.13x = 1,066,645,326,235.04
  5. Step 5: Solve for x
    x = 1,066,645,326,235.04/1,310,893.13
  6. Step 6: Final answer
    x = 813,678.32

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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.