Home / 1,226,891.55-1,693,071.87-710,655.52

Finding the Fourth Proportional to 1,226,891.55, 1,693,071.87 and 710,655.52

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Solution

The fourth proportional to 1,226,891.55, 1,693,071.87 and 710,655.52 is: 980,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,891.55 : 1,693,071.87 = 710,655.52 : x
  2. Step 2: Convert to fraction form
    1,226,891.55/1,693,071.87 = 710,655.52/x
  3. Step 3: Cross multiply
    1,226,891.55x = 1,693,071.87 × 710,655.52
  4. Step 4: Simplify right side
    1,226,891.55x = 1,203,190,870,172.22
  5. Step 5: Solve for x
    x = 1,203,190,870,172.22/1,226,891.55
  6. Step 6: Final answer
    x = 980,682.34

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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.