Home / 1,542,372.51-2,312,048.66-644,071.15

Finding the Fourth Proportional to 1,542,372.51, 2,312,048.66 and 644,071.15

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Solution

The fourth proportional to 1,542,372.51, 2,312,048.66 and 644,071.15 is: 965,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,372.51 : 2,312,048.66 = 644,071.15 : x
  2. Step 2: Convert to fraction form
    1,542,372.51/2,312,048.66 = 644,071.15/x
  3. Step 3: Cross multiply
    1,542,372.51x = 2,312,048.66 × 644,071.15
  4. Step 4: Simplify right side
    1,542,372.51x = 1,489,123,825,966.59
  5. Step 5: Solve for x
    x = 1,489,123,825,966.59/1,542,372.51
  6. Step 6: Final answer
    x = 965,476.12

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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.