Home / 1,070,693.44-1,478,026.38-749,662.36

Finding the Fourth Proportional to 1,070,693.44, 1,478,026.38 and 749,662.36

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Solution

The fourth proportional to 1,070,693.44, 1,478,026.38 and 749,662.36 is: 1,034,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,693.44 : 1,478,026.38 = 749,662.36 : x
  2. Step 2: Convert to fraction form
    1,070,693.44/1,478,026.38 = 749,662.36/x
  3. Step 3: Cross multiply
    1,070,693.44x = 1,478,026.38 × 749,662.36
  4. Step 4: Simplify right side
    1,070,693.44x = 1,108,020,744,173.06
  5. Step 5: Solve for x
    x = 1,108,020,744,173.06/1,070,693.44
  6. Step 6: Final answer
    x = 1,034,862.74

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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.