Home / 1,089,691.54-1,502,922.27-707,841.34

Finding the Fourth Proportional to 1,089,691.54, 1,502,922.27 and 707,841.34

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Solution

The fourth proportional to 1,089,691.54, 1,502,922.27 and 707,841.34 is: 976,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,691.54 : 1,502,922.27 = 707,841.34 : x
  2. Step 2: Convert to fraction form
    1,089,691.54/1,502,922.27 = 707,841.34/x
  3. Step 3: Cross multiply
    1,089,691.54x = 1,502,922.27 × 707,841.34
  4. Step 4: Simplify right side
    1,089,691.54x = 1,063,830,513,512.64
  5. Step 5: Solve for x
    x = 1,063,830,513,512.64/1,089,691.54
  6. Step 6: Final answer
    x = 976,267.57

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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.