Home / 1,058,043.86-1,587,125.83-338,448.77

Finding the Fourth Proportional to 1,058,043.86, 1,587,125.83 and 338,448.77

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Solution

The fourth proportional to 1,058,043.86, 1,587,125.83 and 338,448.77 is: 507,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,043.86 : 1,587,125.83 = 338,448.77 : x
  2. Step 2: Convert to fraction form
    1,058,043.86/1,587,125.83 = 338,448.77/x
  3. Step 3: Cross multiply
    1,058,043.86x = 1,587,125.83 × 338,448.77
  4. Step 4: Simplify right side
    1,058,043.86x = 537,160,784,998.73
  5. Step 5: Solve for x
    x = 537,160,784,998.73/1,058,043.86
  6. Step 6: Final answer
    x = 507,692.36

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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.