Home / 1,870,412.67-2,805,385.73-748,491.39

Finding the Fourth Proportional to 1,870,412.67, 2,805,385.73 and 748,491.39

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Solution

The fourth proportional to 1,870,412.67, 2,805,385.73 and 748,491.39 is: 1,122,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,412.67 : 2,805,385.73 = 748,491.39 : x
  2. Step 2: Convert to fraction form
    1,870,412.67/2,805,385.73 = 748,491.39/x
  3. Step 3: Cross multiply
    1,870,412.67x = 2,805,385.73 × 748,491.39
  4. Step 4: Simplify right side
    1,870,412.67x = 2,099,807,060,791.41
  5. Step 5: Solve for x
    x = 2,099,807,060,791.41/1,870,412.67
  6. Step 6: Final answer
    x = 1,122,643.73

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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.