Home / 1,254,865-1,731,946.98-718,321

Finding the Fourth Proportional to 1,254,865, 1,731,946.98 and 718,321

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Solution

The fourth proportional to 1,254,865, 1,731,946.98 and 718,321 is: 991,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,865 : 1,731,946.98 = 718,321 : x
  2. Step 2: Convert to fraction form
    1,254,865/1,731,946.98 = 718,321/x
  3. Step 3: Cross multiply
    1,254,865x = 1,731,946.98 × 718,321
  4. Step 4: Simplify right side
    1,254,865x = 1,244,093,886,620.58
  5. Step 5: Solve for x
    x = 1,244,093,886,620.58/1,254,865
  6. Step 6: Final answer
    x = 991,416.52

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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.