Home / 1,788,151.59-2,467,678.50-972,371.43

Finding the Fourth Proportional to 1,788,151.59, 2,467,678.50 and 972,371.43

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Solution

The fourth proportional to 1,788,151.59, 2,467,678.50 and 972,371.43 is: 1,341,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,151.59 : 2,467,678.50 = 972,371.43 : x
  2. Step 2: Convert to fraction form
    1,788,151.59/2,467,678.50 = 972,371.43/x
  3. Step 3: Cross multiply
    1,788,151.59x = 2,467,678.50 × 972,371.43
  4. Step 4: Simplify right side
    1,788,151.59x = 2,399,500,071,825.26
  5. Step 5: Solve for x
    x = 2,399,500,071,825.26/1,788,151.59
  6. Step 6: Final answer
    x = 1,341,888.51

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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.