Home / 1,275,775.04-1,913,699.45-329,145.75

Finding the Fourth Proportional to 1,275,775.04, 1,913,699.45 and 329,145.75

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Solution

The fourth proportional to 1,275,775.04, 1,913,699.45 and 329,145.75 is: 493,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,775.04 : 1,913,699.45 = 329,145.75 : x
  2. Step 2: Convert to fraction form
    1,275,775.04/1,913,699.45 = 329,145.75/x
  3. Step 3: Cross multiply
    1,275,775.04x = 1,913,699.45 × 329,145.75
  4. Step 4: Simplify right side
    1,275,775.04x = 629,886,041,567.70
  5. Step 5: Solve for x
    x = 629,886,041,567.70/1,275,775.04
  6. Step 6: Final answer
    x = 493,728.14

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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.