Home / 774,633.80-1,161,950.70-745,109.30

Finding the Fourth Proportional to 774,633.80, 1,161,950.70 and 745,109.30

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Solution

The fourth proportional to 774,633.80, 1,161,950.70 and 745,109.30 is: 1,117,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,633.80 : 1,161,950.70 = 745,109.30 : x
  2. Step 2: Convert to fraction form
    774,633.80/1,161,950.70 = 745,109.30/x
  3. Step 3: Cross multiply
    774,633.80x = 1,161,950.70 × 745,109.30
  4. Step 4: Simplify right side
    774,633.80x = 865,780,272,711.51
  5. Step 5: Solve for x
    x = 865,780,272,711.51/774,633.80
  6. Step 6: Final answer
    x = 1,117,663.95

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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.