Home / 1,089,691.04-1,502,921.58-707,840.84

Finding the Fourth Proportional to 1,089,691.04, 1,502,921.58 and 707,840.84

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Solution

The fourth proportional to 1,089,691.04, 1,502,921.58 and 707,840.84 is: 976,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,691.04 : 1,502,921.58 = 707,840.84 : x
  2. Step 2: Convert to fraction form
    1,089,691.04/1,502,921.58 = 707,840.84/x
  3. Step 3: Cross multiply
    1,089,691.04x = 1,502,921.58 × 707,840.84
  4. Step 4: Simplify right side
    1,089,691.04x = 1,063,829,273,641.33
  5. Step 5: Solve for x
    x = 1,063,829,273,641.33/1,089,691.04
  6. Step 6: Final answer
    x = 976,266.88

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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.