Home / 1,670,029.80-2,503,076.40-1,248,813.60

Finding the Fourth Proportional to 1,670,029.80, 2,503,076.40 and 1,248,813.60

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Solution

The fourth proportional to 1,670,029.80, 2,503,076.40 and 1,248,813.60 is: 1,871,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,029.80 : 2,503,076.40 = 1,248,813.60 : x
  2. Step 2: Convert to fraction form
    1,670,029.80/2,503,076.40 = 1,248,813.60/x
  3. Step 3: Cross multiply
    1,670,029.80x = 2,503,076.40 × 1,248,813.60
  4. Step 4: Simplify right side
    1,670,029.80x = 3,125,875,850,159.04
  5. Step 5: Solve for x
    x = 3,125,875,850,159.04/1,670,029.80
  6. Step 6: Final answer
    x = 1,871,748.55

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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.