Home / 1,057,965.57-1,587,255.75-384,036.12

Finding the Fourth Proportional to 1,057,965.57, 1,587,255.75 and 384,036.12

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Solution

The fourth proportional to 1,057,965.57, 1,587,255.75 and 384,036.12 is: 576,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,965.57 : 1,587,255.75 = 384,036.12 : x
  2. Step 2: Convert to fraction form
    1,057,965.57/1,587,255.75 = 384,036.12/x
  3. Step 3: Cross multiply
    1,057,965.57x = 1,587,255.75 × 384,036.12
  4. Step 4: Simplify right side
    1,057,965.57x = 609,563,539,677.69
  5. Step 5: Solve for x
    x = 609,563,539,677.69/1,057,965.57
  6. Step 6: Final answer
    x = 576,165.76

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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.