Home / 1,715,567.85-2,571,678.72-816,767.96

Finding the Fourth Proportional to 1,715,567.85, 2,571,678.72 and 816,767.96

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Solution

The fourth proportional to 1,715,567.85, 2,571,678.72 and 816,767.96 is: 1,224,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,567.85 : 2,571,678.72 = 816,767.96 : x
  2. Step 2: Convert to fraction form
    1,715,567.85/2,571,678.72 = 816,767.96/x
  3. Step 3: Cross multiply
    1,715,567.85x = 2,571,678.72 × 816,767.96
  4. Step 4: Simplify right side
    1,715,567.85x = 2,100,464,769,051.42
  5. Step 5: Solve for x
    x = 2,100,464,769,051.42/1,715,567.85
  6. Step 6: Final answer
    x = 1,224,355.40

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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.