Home / 1,762,090.70-2,641,062.45-920,209.10

Finding the Fourth Proportional to 1,762,090.70, 2,641,062.45 and 920,209.10

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Solution

The fourth proportional to 1,762,090.70, 2,641,062.45 and 920,209.10 is: 1,379,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,090.70 : 2,641,062.45 = 920,209.10 : x
  2. Step 2: Convert to fraction form
    1,762,090.70/2,641,062.45 = 920,209.10/x
  3. Step 3: Cross multiply
    1,762,090.70x = 2,641,062.45 × 920,209.10
  4. Step 4: Simplify right side
    1,762,090.70x = 2,430,329,700,158.30
  5. Step 5: Solve for x
    x = 2,430,329,700,158.30/1,762,090.70
  6. Step 6: Final answer
    x = 1,379,230.76

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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.