Home / 1,380,985.10-2,070,149.10-707,383.63

Finding the Fourth Proportional to 1,380,985.10, 2,070,149.10 and 707,383.63

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Solution

The fourth proportional to 1,380,985.10, 2,070,149.10 and 707,383.63 is: 1,060,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,985.10 : 2,070,149.10 = 707,383.63 : x
  2. Step 2: Convert to fraction form
    1,380,985.10/2,070,149.10 = 707,383.63/x
  3. Step 3: Cross multiply
    1,380,985.10x = 2,070,149.10 × 707,383.63
  4. Step 4: Simplify right side
    1,380,985.10x = 1,464,389,584,934.23
  5. Step 5: Solve for x
    x = 1,464,389,584,934.23/1,380,985.10
  6. Step 6: Final answer
    x = 1,060,394.92

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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.