Home / 1,888,731.48-2,832,058.38-1,290,368.28

Finding the Fourth Proportional to 1,888,731.48, 2,832,058.38 and 1,290,368.28

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Solution

The fourth proportional to 1,888,731.48, 2,832,058.38 and 1,290,368.28 is: 1,934,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,731.48 : 2,832,058.38 = 1,290,368.28 : x
  2. Step 2: Convert to fraction form
    1,888,731.48/2,832,058.38 = 1,290,368.28/x
  3. Step 3: Cross multiply
    1,888,731.48x = 2,832,058.38 × 1,290,368.28
  4. Step 4: Simplify right side
    1,888,731.48x = 3,654,398,300,660.19
  5. Step 5: Solve for x
    x = 3,654,398,300,660.19/1,888,731.48
  6. Step 6: Final answer
    x = 1,934,842.69

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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.