Home / 1,247,721.58-1,871,582.10-489,920.14

Finding the Fourth Proportional to 1,247,721.58, 1,871,582.10 and 489,920.14

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Solution

The fourth proportional to 1,247,721.58, 1,871,582.10 and 489,920.14 is: 734,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,721.58 : 1,871,582.10 = 489,920.14 : x
  2. Step 2: Convert to fraction form
    1,247,721.58/1,871,582.10 = 489,920.14/x
  3. Step 3: Cross multiply
    1,247,721.58x = 1,871,582.10 × 489,920.14
  4. Step 4: Simplify right side
    1,247,721.58x = 916,925,764,453.49
  5. Step 5: Solve for x
    x = 916,925,764,453.49/1,247,721.58
  6. Step 6: Final answer
    x = 734,880.10

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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.