Home / 1,119,339.33-1,679,041.89-309,730.40

Finding the Fourth Proportional to 1,119,339.33, 1,679,041.89 and 309,730.40

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Solution

The fourth proportional to 1,119,339.33, 1,679,041.89 and 309,730.40 is: 464,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,339.33 : 1,679,041.89 = 309,730.40 : x
  2. Step 2: Convert to fraction form
    1,119,339.33/1,679,041.89 = 309,730.40/x
  3. Step 3: Cross multiply
    1,119,339.33x = 1,679,041.89 × 309,730.40
  4. Step 4: Simplify right side
    1,119,339.33x = 520,050,307,811.25
  5. Step 5: Solve for x
    x = 520,050,307,811.25/1,119,339.33
  6. Step 6: Final answer
    x = 464,604.69

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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.