Home / 1,298,310.63-1,791,635.65-725,355.10

Finding the Fourth Proportional to 1,298,310.63, 1,791,635.65 and 725,355.10

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Solution

The fourth proportional to 1,298,310.63, 1,791,635.65 and 725,355.10 is: 1,000,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,310.63 : 1,791,635.65 = 725,355.10 : x
  2. Step 2: Convert to fraction form
    1,298,310.63/1,791,635.65 = 725,355.10/x
  3. Step 3: Cross multiply
    1,298,310.63x = 1,791,635.65 × 725,355.10
  4. Step 4: Simplify right side
    1,298,310.63x = 1,299,572,056,069.32
  5. Step 5: Solve for x
    x = 1,299,572,056,069.32/1,298,310.63
  6. Step 6: Final answer
    x = 1,000,971.59

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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.