Home / 1,281,445.30-1,922,022.15-334,911.70

Finding the Fourth Proportional to 1,281,445.30, 1,922,022.15 and 334,911.70

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Solution

The fourth proportional to 1,281,445.30, 1,922,022.15 and 334,911.70 is: 502,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,445.30 : 1,922,022.15 = 334,911.70 : x
  2. Step 2: Convert to fraction form
    1,281,445.30/1,922,022.15 = 334,911.70/x
  3. Step 3: Cross multiply
    1,281,445.30x = 1,922,022.15 × 334,911.70
  4. Step 4: Simplify right side
    1,281,445.30x = 643,707,705,694.16
  5. Step 5: Solve for x
    x = 643,707,705,694.16/1,281,445.30
  6. Step 6: Final answer
    x = 502,329.44

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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.