Home / 992,260.40-1,488,390.60-908,279.60

Finding the Fourth Proportional to 992,260.40, 1,488,390.60 and 908,279.60

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Solution

The fourth proportional to 992,260.40, 1,488,390.60 and 908,279.60 is: 1,362,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,260.40 : 1,488,390.60 = 908,279.60 : x
  2. Step 2: Convert to fraction form
    992,260.40/1,488,390.60 = 908,279.60/x
  3. Step 3: Cross multiply
    992,260.40x = 1,488,390.60 × 908,279.60
  4. Step 4: Simplify right side
    992,260.40x = 1,351,874,818,811.76
  5. Step 5: Solve for x
    x = 1,351,874,818,811.76/992,260.40
  6. Step 6: Final answer
    x = 1,362,419.40

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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.