Home / 1,226,908.40-1,693,092.12-690,260.72

Finding the Fourth Proportional to 1,226,908.40, 1,693,092.12 and 690,260.72

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Solution

The fourth proportional to 1,226,908.40, 1,693,092.12 and 690,260.72 is: 952,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,908.40 : 1,693,092.12 = 690,260.72 : x
  2. Step 2: Convert to fraction form
    1,226,908.40/1,693,092.12 = 690,260.72/x
  3. Step 3: Cross multiply
    1,226,908.40x = 1,693,092.12 × 690,260.72
  4. Step 4: Simplify right side
    1,226,908.40x = 1,168,674,985,777.53
  5. Step 5: Solve for x
    x = 1,168,674,985,777.53/1,226,908.40
  6. Step 6: Final answer
    x = 952,536.46

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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.