Home / 1,357,810.67-1,873,779.87-745,964.61

Finding the Fourth Proportional to 1,357,810.67, 1,873,779.87 and 745,964.61

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Solution

The fourth proportional to 1,357,810.67, 1,873,779.87 and 745,964.61 is: 1,029,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,810.67 : 1,873,779.87 = 745,964.61 : x
  2. Step 2: Convert to fraction form
    1,357,810.67/1,873,779.87 = 745,964.61/x
  3. Step 3: Cross multiply
    1,357,810.67x = 1,873,779.87 × 745,964.61
  4. Step 4: Simplify right side
    1,357,810.67x = 1,397,773,469,950.40
  5. Step 5: Solve for x
    x = 1,397,773,469,950.40/1,357,810.67
  6. Step 6: Final answer
    x = 1,029,431.79

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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.