Home / 1,058,508.79-1,587,523.78-489,577.70

Finding the Fourth Proportional to 1,058,508.79, 1,587,523.78 and 489,577.70

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Solution

The fourth proportional to 1,058,508.79, 1,587,523.78 and 489,577.70 is: 734,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,508.79 : 1,587,523.78 = 489,577.70 : x
  2. Step 2: Convert to fraction form
    1,058,508.79/1,587,523.78 = 489,577.70/x
  3. Step 3: Cross multiply
    1,058,508.79x = 1,587,523.78 × 489,577.70
  4. Step 4: Simplify right side
    1,058,508.79x = 777,216,240,907.71
  5. Step 5: Solve for x
    x = 777,216,240,907.71/1,058,508.79
  6. Step 6: Final answer
    x = 734,255.82

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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.