Home / 1,233,980.87-1,851,012.25-424,357.29

Finding the Fourth Proportional to 1,233,980.87, 1,851,012.25 and 424,357.29

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Solution

The fourth proportional to 1,233,980.87, 1,851,012.25 and 424,357.29 is: 636,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,980.87 : 1,851,012.25 = 424,357.29 : x
  2. Step 2: Convert to fraction form
    1,233,980.87/1,851,012.25 = 424,357.29/x
  3. Step 3: Cross multiply
    1,233,980.87x = 1,851,012.25 × 424,357.29
  4. Step 4: Simplify right side
    1,233,980.87x = 785,490,541,105.91
  5. Step 5: Solve for x
    x = 785,490,541,105.91/1,233,980.87
  6. Step 6: Final answer
    x = 636,550.02

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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.