Home / 1,285,116.12-1,773,439.02-704,334.78

Finding the Fourth Proportional to 1,285,116.12, 1,773,439.02 and 704,334.78

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Solution

The fourth proportional to 1,285,116.12, 1,773,439.02 and 704,334.78 is: 971,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,116.12 : 1,773,439.02 = 704,334.78 : x
  2. Step 2: Convert to fraction form
    1,285,116.12/1,773,439.02 = 704,334.78/x
  3. Step 3: Cross multiply
    1,285,116.12x = 1,773,439.02 × 704,334.78
  4. Step 4: Simplify right side
    1,285,116.12x = 1,249,094,781,995.12
  5. Step 5: Solve for x
    x = 1,249,094,781,995.12/1,285,116.12
  6. Step 6: Final answer
    x = 971,970.36

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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.