Home / 1,343,999.93-1,854,719.09-740,387.93

Finding the Fourth Proportional to 1,343,999.93, 1,854,719.09 and 740,387.93

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Solution

The fourth proportional to 1,343,999.93, 1,854,719.09 and 740,387.93 is: 1,021,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,999.93 : 1,854,719.09 = 740,387.93 : x
  2. Step 2: Convert to fraction form
    1,343,999.93/1,854,719.09 = 740,387.93/x
  3. Step 3: Cross multiply
    1,343,999.93x = 1,854,719.09 × 740,387.93
  4. Step 4: Simplify right side
    1,343,999.93x = 1,373,211,624,074.64
  5. Step 5: Solve for x
    x = 1,373,211,624,074.64/1,343,999.93
  6. Step 6: Final answer
    x = 1,021,734.89

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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.