Home / 1,259,459.48-1,738,071.34-686,498.42

Finding the Fourth Proportional to 1,259,459.48, 1,738,071.34 and 686,498.42

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Solution

The fourth proportional to 1,259,459.48, 1,738,071.34 and 686,498.42 is: 947,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,459.48 : 1,738,071.34 = 686,498.42 : x
  2. Step 2: Convert to fraction form
    1,259,459.48/1,738,071.34 = 686,498.42/x
  3. Step 3: Cross multiply
    1,259,459.48x = 1,738,071.34 × 686,498.42
  4. Step 4: Simplify right side
    1,259,459.48x = 1,193,183,220,066.93
  5. Step 5: Solve for x
    x = 1,193,183,220,066.93/1,259,459.48
  6. Step 6: Final answer
    x = 947,377.22

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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.