Home / 1,336,603.20-2,004,904.80-911,450.40

Finding the Fourth Proportional to 1,336,603.20, 2,004,904.80 and 911,450.40

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Solution

The fourth proportional to 1,336,603.20, 2,004,904.80 and 911,450.40 is: 1,367,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,603.20 : 2,004,904.80 = 911,450.40 : x
  2. Step 2: Convert to fraction form
    1,336,603.20/2,004,904.80 = 911,450.40/x
  3. Step 3: Cross multiply
    1,336,603.20x = 2,004,904.80 × 911,450.40
  4. Step 4: Simplify right side
    1,336,603.20x = 1,827,371,281,921.92
  5. Step 5: Solve for x
    x = 1,827,371,281,921.92/1,336,603.20
  6. Step 6: Final answer
    x = 1,367,175.60

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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.