Home / 1,695,241.20-2,339,421.60-920,865

Finding the Fourth Proportional to 1,695,241.20, 2,339,421.60 and 920,865

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Solution

The fourth proportional to 1,695,241.20, 2,339,421.60 and 920,865 is: 1,270,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,241.20 : 2,339,421.60 = 920,865 : x
  2. Step 2: Convert to fraction form
    1,695,241.20/2,339,421.60 = 920,865/x
  3. Step 3: Cross multiply
    1,695,241.20x = 2,339,421.60 × 920,865
  4. Step 4: Simplify right side
    1,695,241.20x = 2,154,291,471,684
  5. Step 5: Solve for x
    x = 2,154,291,471,684/1,695,241.20
  6. Step 6: Final answer
    x = 1,270,787.59

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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.