Home / 1,562,427.92-2,156,167.44-917,875.28

Finding the Fourth Proportional to 1,562,427.92, 2,156,167.44 and 917,875.28

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Solution

The fourth proportional to 1,562,427.92, 2,156,167.44 and 917,875.28 is: 1,266,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,427.92 : 2,156,167.44 = 917,875.28 : x
  2. Step 2: Convert to fraction form
    1,562,427.92/2,156,167.44 = 917,875.28/x
  3. Step 3: Cross multiply
    1,562,427.92x = 2,156,167.44 × 917,875.28
  4. Step 4: Simplify right side
    1,562,427.92x = 1,979,092,792,716.88
  5. Step 5: Solve for x
    x = 1,979,092,792,716.88/1,562,427.92
  6. Step 6: Final answer
    x = 1,266,677.82

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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.