Home / 1,058,565.16-1,587,844.50-427,471.48

Finding the Fourth Proportional to 1,058,565.16, 1,587,844.50 and 427,471.48

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Solution

The fourth proportional to 1,058,565.16, 1,587,844.50 and 427,471.48 is: 641,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,565.16 : 1,587,844.50 = 427,471.48 : x
  2. Step 2: Convert to fraction form
    1,058,565.16/1,587,844.50 = 427,471.48/x
  3. Step 3: Cross multiply
    1,058,565.16x = 1,587,844.50 × 427,471.48
  4. Step 4: Simplify right side
    1,058,565.16x = 678,758,238,424.86
  5. Step 5: Solve for x
    x = 678,758,238,424.86/1,058,565.16
  6. Step 6: Final answer
    x = 641,205.91

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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.