Home / 1,280,598.54-1,767,072.15-707,560.26

Finding the Fourth Proportional to 1,280,598.54, 1,767,072.15 and 707,560.26

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Solution

The fourth proportional to 1,280,598.54, 1,767,072.15 and 707,560.26 is: 976,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,598.54 : 1,767,072.15 = 707,560.26 : x
  2. Step 2: Convert to fraction form
    1,280,598.54/1,767,072.15 = 707,560.26/x
  3. Step 3: Cross multiply
    1,280,598.54x = 1,767,072.15 × 707,560.26
  4. Step 4: Simplify right side
    1,280,598.54x = 1,250,310,029,892.76
  5. Step 5: Solve for x
    x = 1,250,310,029,892.76/1,280,598.54
  6. Step 6: Final answer
    x = 976,348.16

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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.