Home / 1,285,449.64-1,774,026.66-712,669.48

Finding the Fourth Proportional to 1,285,449.64, 1,774,026.66 and 712,669.48

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Solution

The fourth proportional to 1,285,449.64, 1,774,026.66 and 712,669.48 is: 983,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,449.64 : 1,774,026.66 = 712,669.48 : x
  2. Step 2: Convert to fraction form
    1,285,449.64/1,774,026.66 = 712,669.48/x
  3. Step 3: Cross multiply
    1,285,449.64x = 1,774,026.66 × 712,669.48
  4. Step 4: Simplify right side
    1,285,449.64x = 1,264,294,657,288.34
  5. Step 5: Solve for x
    x = 1,264,294,657,288.34/1,285,449.64
  6. Step 6: Final answer
    x = 983,542.74

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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.