Home / 704,010.40-1,056,015.60-679,127.20

Finding the Fourth Proportional to 704,010.40, 1,056,015.60 and 679,127.20

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Solution

The fourth proportional to 704,010.40, 1,056,015.60 and 679,127.20 is: 1,018,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,010.40 : 1,056,015.60 = 679,127.20 : x
  2. Step 2: Convert to fraction form
    704,010.40/1,056,015.60 = 679,127.20/x
  3. Step 3: Cross multiply
    704,010.40x = 1,056,015.60 × 679,127.20
  4. Step 4: Simplify right side
    704,010.40x = 717,168,917,584.32
  5. Step 5: Solve for x
    x = 717,168,917,584.32/704,010.40
  6. Step 6: Final answer
    x = 1,018,690.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.