Home / 1,273,277.28-1,909,598.40-374,540.16

Finding the Fourth Proportional to 1,273,277.28, 1,909,598.40 and 374,540.16

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Solution

The fourth proportional to 1,273,277.28, 1,909,598.40 and 374,540.16 is: 561,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,277.28 : 1,909,598.40 = 374,540.16 : x
  2. Step 2: Convert to fraction form
    1,273,277.28/1,909,598.40 = 374,540.16/x
  3. Step 3: Cross multiply
    1,273,277.28x = 1,909,598.40 × 374,540.16
  4. Step 4: Simplify right side
    1,273,277.28x = 715,221,290,271.74
  5. Step 5: Solve for x
    x = 715,221,290,271.74/1,273,277.28
  6. Step 6: Final answer
    x = 561,716.84

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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.