Home / 1,254,927.40-1,731,795.12-711,166.80

Finding the Fourth Proportional to 1,254,927.40, 1,731,795.12 and 711,166.80

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Solution

The fourth proportional to 1,254,927.40, 1,731,795.12 and 711,166.80 is: 981,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,927.40 : 1,731,795.12 = 711,166.80 : x
  2. Step 2: Convert to fraction form
    1,254,927.40/1,731,795.12 = 711,166.80/x
  3. Step 3: Cross multiply
    1,254,927.40x = 1,731,795.12 × 711,166.80
  4. Step 4: Simplify right side
    1,254,927.40x = 1,231,595,193,746.02
  5. Step 5: Solve for x
    x = 1,231,595,193,746.02/1,254,927.40
  6. Step 6: Final answer
    x = 981,407.53

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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.