Home / 1,103,987.25-1,655,814.51-707,399.40

Finding the Fourth Proportional to 1,103,987.25, 1,655,814.51 and 707,399.40

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Solution

The fourth proportional to 1,103,987.25, 1,655,814.51 and 707,399.40 is: 1,060,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,987.25 : 1,655,814.51 = 707,399.40 : x
  2. Step 2: Convert to fraction form
    1,103,987.25/1,655,814.51 = 707,399.40/x
  3. Step 3: Cross multiply
    1,103,987.25x = 1,655,814.51 × 707,399.40
  4. Step 4: Simplify right side
    1,103,987.25x = 1,171,322,190,885.29
  5. Step 5: Solve for x
    x = 1,171,322,190,885.29/1,103,987.25
  6. Step 6: Final answer
    x = 1,060,992.50

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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.