Home / 1,572,238.32-2,169,016.56-1,027,428.48

Finding the Fourth Proportional to 1,572,238.32, 2,169,016.56 and 1,027,428.48

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Solution

The fourth proportional to 1,572,238.32, 2,169,016.56 and 1,027,428.48 is: 1,417,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,238.32 : 2,169,016.56 = 1,027,428.48 : x
  2. Step 2: Convert to fraction form
    1,572,238.32/2,169,016.56 = 1,027,428.48/x
  3. Step 3: Cross multiply
    1,572,238.32x = 2,169,016.56 × 1,027,428.48
  4. Step 4: Simplify right side
    1,572,238.32x = 2,228,509,387,335.63
  5. Step 5: Solve for x
    x = 2,228,509,387,335.63/1,572,238.32
  6. Step 6: Final answer
    x = 1,417,411.95

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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.