Home / 1,058,509.28-1,587,524.56-489,578.20

Finding the Fourth Proportional to 1,058,509.28, 1,587,524.56 and 489,578.20

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Solution

The fourth proportional to 1,058,509.28, 1,587,524.56 and 489,578.20 is: 734,256.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,509.28 : 1,587,524.56 = 489,578.20 : x
  2. Step 2: Convert to fraction form
    1,058,509.28/1,587,524.56 = 489,578.20/x
  3. Step 3: Cross multiply
    1,058,509.28x = 1,587,524.56 × 489,578.20
  4. Step 4: Simplify right side
    1,058,509.28x = 777,217,411,347.84
  5. Step 5: Solve for x
    x = 777,217,411,347.84/1,058,509.28
  6. Step 6: Final answer
    x = 734,256.59

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1.5x scale

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.