Home / 1,110,493.45-1,531,688.29-766,459.45

Finding the Fourth Proportional to 1,110,493.45, 1,531,688.29 and 766,459.45

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Solution

The fourth proportional to 1,110,493.45, 1,531,688.29 and 766,459.45 is: 1,057,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,493.45 : 1,531,688.29 = 766,459.45 : x
  2. Step 2: Convert to fraction form
    1,110,493.45/1,531,688.29 = 766,459.45/x
  3. Step 3: Cross multiply
    1,110,493.45x = 1,531,688.29 × 766,459.45
  4. Step 4: Simplify right side
    1,110,493.45x = 1,173,976,964,324.84
  5. Step 5: Solve for x
    x = 1,173,976,964,324.84/1,110,493.45
  6. Step 6: Final answer
    x = 1,057,166.94

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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.