Home / 1,331,484.64-1,997,030-489,839.52

Finding the Fourth Proportional to 1,331,484.64, 1,997,030 and 489,839.52

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Solution

The fourth proportional to 1,331,484.64, 1,997,030 and 489,839.52 is: 734,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,484.64 : 1,997,030 = 489,839.52 : x
  2. Step 2: Convert to fraction form
    1,331,484.64/1,997,030 = 489,839.52/x
  3. Step 3: Cross multiply
    1,331,484.64x = 1,997,030 × 489,839.52
  4. Step 4: Simplify right side
    1,331,484.64x = 978,224,216,625.60
  5. Step 5: Solve for x
    x = 978,224,216,625.60/1,331,484.64
  6. Step 6: Final answer
    x = 734,686.82

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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.