Home / 1,787,740.86-2,464,667.67-1,213,784.70

Finding the Fourth Proportional to 1,787,740.86, 2,464,667.67 and 1,213,784.70

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Solution

The fourth proportional to 1,787,740.86, 2,464,667.67 and 1,213,784.70 is: 1,673,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,740.86 : 2,464,667.67 = 1,213,784.70 : x
  2. Step 2: Convert to fraction form
    1,787,740.86/2,464,667.67 = 1,213,784.70/x
  3. Step 3: Cross multiply
    1,787,740.86x = 2,464,667.67 × 1,213,784.70
  4. Step 4: Simplify right side
    1,787,740.86x = 2,991,575,908,430.65
  5. Step 5: Solve for x
    x = 2,991,575,908,430.65/1,787,740.86
  6. Step 6: Final answer
    x = 1,673,383.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.